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# GCF of 54

### Greatest Common Factor of 50 and 54 GCF(50,54

1. We found the factors and prime factorization of 50 and 54. The biggest common factor number is the GCF number. So the greatest common factor 50 and 54 is 2. Also check out the Least Common Multiple of 50 and 54
2. The factors of 54 (all the whole numbers that can divide the number without a remainder) are 1, 2, 3, 6, 9, 18, 27 and 54; The factors of 32 are 1, 2, 4, 8, 16 and 32. The second step is to analyze which are the common divisors. It is not difficult to see that the 'Greatest Common Factor' or 'Divisor' for 54 and 32 is 2
3. To get the Greates Common Factor (GCF) of 54 and 56 we need to factor each value first and then we choose all the copies of factors and multiply them: 54:
4. What is the Greatest Common Factor of 54 and 159? The greatest common factor of two or more integers, which is the largest positive integer that divides each of the integers. So enter the both value in given input box, then press calculate button, the system will automatically calculate the GCF value of those numbers
5. What is the greatest common factor of 54 and 180? - The greatest common factor of 54 and 180 is 18. - The greatest common factor of 54 and 180 is 18. GCF(54,180) to find out what is the highest common factor of 54 and 180 or the biggest number that can be divided evenly by 54 and 180
6. FAQs on GCF of 54 and 72 What is the GCF of 54 and 72? The GCF of 54 and 72 is 18. To calculate the greatest common factor of 54 and 72, we need to factor each number (factors of 54 = 1, 2, 3, 6, 9, 18, 27, 54; factors of 72 = 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72) and choose the greatest factor that exactly divides both 54 and 72, i.e., 18
7. (54 = 2 × 3 × 3 × 3) 63 = 3 × 3 × 7; 54 = 2 × 3 × 3 × 3; The common prime factors of 63 and 54 are 3 and 3. GCF is equal to the multiplication of those prime factors. GCF(63, 54) = 3 × 3 =

So, the greatest common factor of 120 and 50 is 10. Now let's find the GCF of our third value, 20, and our result, 10. GCF (20,10) 20 - 10 - 10 = 20 - (10 * 2) = 0. So, the greatest common factor of 20 and 10 is 10. Therefore, the greatest common factor of 120, 50 and 20 is 10 Greatest common factor (GCF) of 54 and 74 is 2. GCF(54,74) = 2 We will now calculate the prime factors of 54 and 74 , than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54 and 74

### What is the greatest common factor of 54 and 32

1. What is the GCF of 54 and 60? Answer: GCF of 54 and 60 is 6. 2. What are the Factors of 54? Answer: Factors of 54 are 1, 2, 3, 6, 9, 18, 27, 54. There are 8 integers that are factors of 54. The greatest factor of 54 is 54. 3. What are the Factors of 60? Answer: Factors of 60 are 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 What is the greatest common factor of 54 and 694? - The greatest common factor of 54 and 694 is 2. GCF (54,694) to find out what is the highest common factor of 54 and 694 or the biggest number that can be divided evenly by 54 and 694. Greatest Common Factor of 54 and 69 Greatest common factor (GCF) Step by Step Solution. Calculate Greatest Common Factor for : 60, 54 and 48. Factorize of the above numbers : 60 = 2 2 • 3 • 5 54 = 2 • 3 3 48 = 2 4 • 3 Build a prime factors table. Number of times each prime facto The GCF of 28 and 54 is 2. Steps to find GCF. Find the prime factorization of 28 28 = 2 × 2 × 7; Find the prime factorization of 54 54 = 2 × 3 × 3 × 3; To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2; MathStep (Works offline) Download our mobile app and learn how to find GCF of upto four numbers in your own time: Android and iPhone/ iPa

### Greatest Common Factor (GCF) of 54 and 5

• Greatest common factor (GCF) Step by Step Solution. Calculate Greatest Common Factor for : 54, 84 and 96. Factorize of the above numbers : 54 = 2 • 3 3 84 = 2 2 • 3 • 7 96 = 2 5 • 3 Build a prime factors table. Number of times each prime facto
• How to find the Greatest Common Factor GCF example: The first step is to find all divisors of each number. For instance, let us find the gcf(54, 80). In this case we have: The factors of 54 (all the whole numbers that can divide the number without a remainder) are 1, 2, 3, 6, 9, 18, 27 and 54; The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40.
• GCF of 24 and 54 is the largest possible number that divides 24 and 54 exactly without any remainder. The factors of 24 and 54 are 1, 2, 3, 4, 6, 8, 12, 24 and 1, 2, 3, 6, 9, 18, 27, 54 respectively. There are 3 commonly used methods to find the GCF of 24 and 54 - Euclidean algorithm, long division, and prime factorization
• 54 = 2 × 3 × 3 × 3. To find the GCF, multiply all the prime factors common to both numbers: Therefore, GCF = 2. MathStep (Works offline) Download our mobile app and learn how to find GCF of upto four numbers in your own time: Android and iPhone/ iPad
• We found the factors of 36, 54, 135. The biggest common factor number is the GCF number. So the Greatest Common Factor 36, 54, 135 is 9. Therefore, GCF of numbers 36, 54, 135 is
• GCF and LCM of 36 and 54 - YouTube. GCF and LCM of 36 and 54. Watch later. Share. Copy link. Info. Shopping. Tap to unmute. If playback doesn't begin shortly, try restarting your device

There are multiple ways to find the greatest common factor of given integers. One of these involves computing the prime factorizations of each integer, determining which factors they have in common, and multiplying these factors to find the GCD. Refer to the example below. EX: GCF (16, 88, 104) 16 = 2 × 2 × 2 × 2. 88 = 2 × 2 × 2 × 11 We here at the Fraction Calculator often determine the Greatest Common Factor (GCF) for numbers such as 5, 21 and 54, because we use the GCF to lower the denominators of our fractions. The Greatest Common Factor of 5, 21 and 54 is the greatest number (factor) that you can evenly divide 5, 21 and 54 by What is GCF? The Greatest Common Factor definition is the largest integer factor that is present between a set of numbers.It is also known as the Greatest Common Divisor, Greatest Common Denominator (GCD), Highest Common Factor (HCF), or Highest Common Divisor (HCD).This is important in certain applications of mathematics such as simplifying polynomials where often it's essential to pull out. What is GCF? Greatest common factor (GCF) of a set of numbers is the biggest factor that all the numbers share. It is commonly known as the highest common factor (HCF). For example, 8, 12, and 16 have two common factors which are 2 and 4. The greatest is 4. So, the GCF of 8, 12, and 16 is 4 ### GCF of 54 and 159 - Calculation Calculato

Greatest Common Factor Calculator. Here is a handy little calculator you can use to find the greatest common factor (GCF) of two or three numbers. It is the greatest thing for simplifying fractions Find the gcf of two or more numbers step-by-step. \square! \square! . Get step-by-step solutions from expert tutors as fast as 15-30 minutes The greatest common factor (gcf), or highest common factor (hcf), of two or more integers (at least one of which is not zero), is the largest positive integer that divides the numbers without a remainder. It is the highest number that divides exactly into two or more numbers. It is the greatest thing for simplifying fractions Find the greatest common factor of 24 24 and 36 36. Solution. Step 1: Factor each coefficient into primes. Write all variables with exponents in expanded form. Factor 24 24 and 36 36. Step 2: List all factors-matching common factors in a column. In each column, circle the common factors. Circle the 2,2 2, 2, and 3 3 that are shared by both. The Green Climate Fund (GCF) has approved a project worth 54.5 million US dollars to address the alarming deforestation and forest degradation challenges in the Northern Savannah Zone of Ghana, whilst promoting investments in the shea value chain and women's empowerment. The 'Ghana Shea Landscape Emission Reductions Project', which was approved at the ongoing GCF's 26 th virtual Board.

what is the gcf of 54 and 72. Technology and Home Economics, 10. Join now Forgot your password? Here is the beginning list of multiples of 18 and 63: Multiples of 18 : 18, 36, 54, 72, 90, 108, etc Problem: Find the Greatest Common Factor (GCF) of 12 and 20. (Note: Place your mouse over the lists of factors below.) The common factors of 12 and 20 are 1, 2 and 4. The greatest common factor of 12 and 20 is 4.. Solution: GCF = 4 To find the Greatest Common Factor (GCF) of two or more whole numbers, follow this procedure:. Make a list of factors for each whole number Finding GCF of 18, 30, 54 using Prime Factorization. Given Input Data is 18, 30, 54. Make a list of Prime Factors of all the given numbers initially. Prime Factorization of 18 is 2 x 3 x 3. Prime Factorization of 30 is 2 x 3 x 5. Prime Factorization of 54 is 2 x 3 x 3 x 3. Highest common occurrences in the given inputs are 2 1 x 3 1

### GCF of 54 and 180 - Greatest Common Factor of 54 and 18

• GCF = 2 x 3 x 3 = 18. Find the GCF Using Euclid's Algorithm. The final method for calculating the GCF of 54 and 72 is to use Euclid's algorithm. This is a more complicated way of calculating the greatest common factor and is really only used by GCD calculators
• The Greatest Common Factor (GCF) of some numbers, is the largest number that divides evenly into all of the numbers. Like, the GCF of 10,15, and 25 is 5. Type some numbers into the box to the right, and this page will find the GCF of those numbers
• Factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 Greatest Common Factor of 36 and 54: GCF(36,54) = 18 The solution above and all other related solutions were provided by the Greatest Common Factor Applicatio
• Greatest Common Factor of 12, 54 and 78: GCF(12,54,78) = 6. The solution above and all other related solutions were provided by the Greatest Common Factor Application. Related Glossary Terms. Factor Greatest Common Factor (GCF) Multiplication Table Prime Number Related Applications
• ing the prime factorizations of the two numbers and comparing factors. For example, to compute gcd(48, 180), we find the prime.

### GCF of 54 and 72 How to Find GCF of 54, 72? - Cuemat

Make use of GCF of two or more numbers calculator to determine the Greatest Common Factor of 36, 54, 135 i.e. 9 largest integer that divides all the numbers equally.. GCF of 36, 54, 135 is 9. GCF(36, 54, 135) = 9. Ex: 10, 15, 20 (or) 24, 48, 96,45 (or) 78902, 89765, 1234 GCFGLobal - The freedom to learn what you want, when you want, absolutely free! Check out our Everyday Life, Basic Math, and Computer Training today! Now more than ever, it's important to seek out reliable sources of information. Unfortunately, there is plenty of false or misleading information about Coronavirus going around 1. To find the GCF of 54 and 81, first do a prime factorization of the two numbers. 54 = 2 x 3 x 3 x 3 81 = 3 x 3 x 3 x 3 2. Find the common.. Here are the factors for 11 and 54: Factors of 11: 1 and 11. Factors of 54: 1, 2, 3, 6, 9, 18, 27, and 54. The greatest factor on the two lists that they have in common is the GCF of 11 and 54. Therefore, the GCF of 11 and 54 is 1. In summary, the answer to the question What is the LCM and GCF of 11 and 54? is 594 and 1. LCM and GCF Calculato Prime Factors of 221Prime Factors of 5421 3 3. The Greatest Common Factor of 2 and 54 is 2. Menu. Table of Content. From Mathwarehouse. Algebra

### Gcf of 63 and 54 (Prime Factors Method

1. Here are the factors for 9 and 54: Factors of 9: 1, 3, and 9. Factors of 54: 1, 2, 3, 6, 9, 18, 27, and 54. The greatest factor on the two lists that they have in common is the GCF of 9 and 54. Therefore, the GCF of 9 and 54 is 9. In summary, the answer to the question What is the LCM and GCF of 9 and 54? is 54 and 9. LCM and GCF Calculato
2. What is the greatest common factor (GCF)? That is the largest number that will divide into all those given. To find it, the smallest prime numbers should be divided into each one.Prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19.. For the given numbers #54# and #36#, both can be divided by #2# to get #27# and #18#. #27# will not divide into both, but #18# will, so it is the GCF
3. View this answer. 9. The greatest common factor (GCF), or greatest common divisor (GCD), of any two numbers is the largest number that divides both numbers. Here are... See full answer below
4. Euclid's Algorithm GCF Calculator. Set up a division problem where a is larger than b. a ÷ b = c with remainder R. Do the division. Then replace a with b, replace b with R and repeat the division. Continue the process until R = 0. When remainder R = 0, the GCF is the divisor, b, in the last equation. GCF = 4
5. Gcd Calculator. The GCD calculator computes the greatest common divisor of two or more integers. It also shows a step-by-step solution. The greatest common divisor is also referred to as highest common divisor or highest common factor. ####How to use this calculator#### Simply enter integers whose greatest common factor you want to calculate
6. The GCF of 54, 72, and 81 is 9.The prime factorization of 54 is 2*3*3*3The prime factorization of 72 is 2*2*2*3*3The prime factorization of 81 is 3*3*3*3The GCF, then, is 3*3 =
7. Free Online Scientific Notation Calculator. Solve advanced problems in Physics, Mathematics and Engineering. Math Expression Renderer, Plots, Unit Converter, Equation Solver, Complex Numbers, Calculation History

### Greatest Common Factor (GCF, HCF, GCD) Calculato

• The greatest common factor of 24 54 and 72 is 6
• Let's first get the GCF. by factorizing both numbers, 30=2xx3xx5 54=2xx3xx3xx3 GCF=2xx3=6 Now we can write: 30+54=6xx5+6xx(3xx3)=6xx5+6xx9 =6xx(5+9
• Greatest Common Factor (GCF) Grade 6 Factoring Worksheet Find the greatest common factor of the three numbers shown: 1) 80, 64, 56 2) 56, 84, 14 3) 45, 54, 81 4) 64, 16, 32 5) 48, 64, 96 6) 28, 48, 96 7) 90, 75, 45 8) 70, 54, 95 9) 33, 6, 84 10) 30, 90, 70 11) 100, 30.
• ators
• Earlier we found that the Common Factors of 12 and 30 are 1, 2, 3 and 6, and so the Greatest Common Factor is 6. So the largest number we can divide both 12 and 30 exactly by is 6, like this: ÷ 6 : 1230 = 25 : ÷ 6 : The Greatest Common Factor of 12 and 30 is 6. And so 1230 can be simplified to 25

Greatest Common Factor (GCF): Least Common Multiplier (LCM): About This Calculator. This calculator makes it easy to quickly estimate the least common multiple and greatest comon factor for up to three numbers at a time. 36, 42, 48, 54,. By looking at the Venn Diagram, we can see that the GCF(24,30) = 2u3 = 6. Practice Problems: find the prime factorization of each number. Then place the prime factors in the appropriate part of the Venn diagram and find the GCF of the numbers. GCF(72, 54) = GCF(84, 56) = GCF(21,10) = GCF(18,45,60) = 24 2 3 5 2

Related GCF Calculator | Factor Calculator. What is the Least Common Multiple (LCM)? In mathematics, the least common multiple, also known as the lowest common multiple of two (or more) integers a and b, is the smallest positive integer that is divisible by both.It is commonly denoted as LCM(a, b) The GCF of 36 and 57 is 3. What is the greatest common divisor of 36? 1, 2, 3, 6, 9, 18, 27, and 54. Although the numbers in bold are all common factors of both 36 and 54, 18 is the greatest common factor. The second method to find the greatest common factor is to list the prime factors, then multiply the common prime factors The greatest common factor is also known as GCF, GCD or HCF. It refers to the largest positive integer which evenly divides into a whole set of numbers without a remainder. For instance, for the numbers 42, 30, and 18, the greatest common factor is 6. 54 = 2 * 3 * 3 * 3. 42 = 2 * 3 * 7. Then search for the factors which each of the numbers. Find the Greatest Common Factor (G.C.F.) of 36 and 54. 36 = 2 * 2 * 3 * 3 54 = 2 * 3 * 3 * 3 Both have 2 * 3 * 3 in common: Usually you can find the Greatest Common Factor fairly easily by experimenting with possible divisors: Start with the smaller number; it is the largest divisor of itself..

GCF Calculator. Greatest common factor shortly known as GCF, is used to find out the highest common factor for two or more numbers. The GCF of whole numbers is the greatest whole number that divides evenly into each of the numbers Find GCF for numbers 8 and 12: The prime factors of 8 are: 8 = 2×2×2. The prime factors of 12 are: 12 = 2×2×3. So the common prime factors of 8 and 12 are The greatest common factor (GCF) of two non-zero integers is the largest positive integer which divides the numbers without a remainder. It is known as the greatest common denominator, highest common factor (HCF) or greatest common divisor (GCD). GCF formula The GCF is also known as the Highest Common Factor (HCF) Let us consider the example given below: For example - The GCF of 18, 21 is 3. Because the factors of the number 18 and 21 are: Factors of 18 = 2×9 =2×3×3. Factors of 21 = 3×7. Here, the number 3 is common in both the factors of numbers. Hence, the greatest common factor of 18 and.  ### Greatest Common Factor of 54 and 74 GCF(54,74

• Solution. The factors of 26 are 1, 2, 13, 26. From greatest to least, check if each factor divides evenly into 40. 26 does not divide evenly into 40. 13 does not divide evenly into 40. 2 divides evenly into 40. Therefore, 2 is the GCF. Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40. Factors of 26: 1, 2, 13, 26
• But since 9 does go into 18, 45 and 54, you can stop there, assured that 9 is the GCF. And in general, as long as you test the factors of the GPGCF in order from largest to smallest, the first GPGCF factor that divides into all three numbers must be the GCF
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The Greatest Common Factor and the Least Common Multiplier Calculator. The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers: List the prime factors of each number. Multiply those factors both numbers have in common. If there are no common prime factors, the GCF is 1 Step 2: Look for factors that both lists have in common. Step 3: Pick out the largest factor that both lists have in common and call this the GCF. Therefore, the GCF of 64 and 96 is 32. Method 2: Upside Down Division. Find the GCF of 280 and 144. Step 1: Place the numbers inside an upside down division bar The last step to get the greatest common factor of 1,260 and 1,960 is to multiply the numbers we have selected from the previous step. Therefore, the GCF of 1,260 and 1,960 is equal to {2^2} times 5 times 7 which gives us 140. You might also be interested in: Finding GCF using the List Method From monomial calculator to scientific, we have all the pieces covered. Come to Algebra-equation.com and uncover factoring polynomials, simplifying and loads of additional math subject

The GCF of two numbers is the greatest number that is a factor of both of the numbers. Take the numbers 50 and 30. 50 = 10 • 5. 30 = 10 • 3. Their greatest common factor is 10, since 10 is the greatest factor that both numbers have in common The GLOBAL CLIMATE FORUM (GCF) is a global association based in Berlin, Germany. We conduct high-level research on climate change and related global challenges. Our members comprise institutes, (insurance) companies, NGOs, and individual researchers. GCF is structured as a process organization ### Greatest Common Factor of 54 and 60 - LCM and GCF Calculato

The greatest common factor, or GCF, is the greatest factor that divides two numbers. To find the GCF of two numbers: List the prime factors of each number. Multiply those factors both numbers have in common. If there are no common prime factors, the GCF is 1 The greatest common factor, GCF, is the product of all the prime factors involved in both the prime factorizations of a and b, by the lowest powers. Based on this rule it is calculated the greatest common factor, GCF, (or greatest common divisor GCD, HCF) of several numbers, as shown in the example below: 1,260 = 2 2 × 3 2; 3,024 = 2 4 ×.   ### GCF of 54 and 694 - Greatest Common Factor of 54 and 69

Distributive Property Calculator is a free online tool that displays the solutions for the given expression using the distributive property. BYJU'S online distributive property calculator tool makes the calculations faster and it displays the simplification of numbers in a fraction of seconds Then the GCF is 2 × 3 × 5 × 7 = 210.. On the other hand, the Least Common Multiple, the LCM, is the smallest (least) number that both 2940 and 3150 will divide into. That is, it is the smallest number that contains both 2940 and 3150 as factors, the smallest number that is a multiple of both these values; it is the multiple common to the two values. . Therefore, it will be the smallest. Find the GCF of two numbers using the distributive property. You'll gain access to interventions, extensions, task implementation guides, and more for this instructional video. In this lesson you will learn how to write an equivalent expression showing the GCF of two addends by using the Distributive Property Example: find GCD of 45 and 54 by listing out the factors. Step 1: Find all divisors of the given numbers: The divisors of 45 are 1, 3, 5, ⑨, 15 and 45. The divisors of 54 are 1, 2, 3, 6, ⑨ 18, 27 and 54. Step 2: The greatest divisor = �

### Calculate the GCF (greatest common factor) of gcd(60,54,48

Find GCF with Venn Diagram: Drag and drop the factors on venn diagram circles. GCF Worksheets. Factors. Greatest Common Factor. Venn Diagram Maker. Venn Diagram Activities. Math. To link to this page, copy the following code to your site How to find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12, Use the distributive property to express a sum of two whole numbers 1-100 with a common factor as a multiple of a sum of two whole numbers with no common factor, videos, worksheets, games and activities that are suitable for Common. Section 5.4 GCF and DoS A2.1.4 Determine rational and complex zeros for quadratic equations; A2.5.1 Determine whether a relationship is a function and identify independent and dependent variables, the domain, range, roots, asymptotes and any points of discontinuity of functions

### Find GCF of 28 and 54 Math GCD/ HCF Answer

Greatest Common Factor of 42 and 54 GCF(42,54) Gcflcm.com DA: 14 PA: 17 MOZ Rank: 45. Greatest common factor (GCF) of 42 and 54 is 6. We will now calculate the prime factors of 42 and 54, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42 and 54 Common Core Connection for Grades 4, 5, 6. Determine whether a given whole number in the range 1-100 is prime or composite. Find common factors and multiples. Find the greatest common factor of two whole numbers less than or equal to 100. Find the least common multiple of two whole numbers less than or equal to 12 When we study fractions, we learn that the greatest common factor (GCF) of two numbers is the largest number that divides evenly into both numbers. For instance, [latex]4[/latex] is the GCF of [latex]16[/latex] and [latex]20[/latex] because it is the largest number that divides evenly into both [latex]16[/latex] and [latex]20[/latex] The GCF of polynomials works the same way: [latex]4x[/latex. Question Factor the GCF out of the following expression: 24x³y® + 54x°y* + 12x²y³ .3. .3.4 2.,5 Your answer should take the form A(B + C + D) where A is the GCF.

### Calculate the GCF (greatest common factor) of (54, 84, 96

And we're done with our prime factorization because now we have all prime numbers here. So we can write that 75 is 3 times 5 times 5. So 75 is equal to 3 times 5 times 5. We can say it's 3 times 25. 25 is 5 times 5. 3 times 25, 25 is 5 times 5. So this is a prime factorization, but they want us to write our answer using exponential notation GCF calculator LCM example. Find the least common multiple number for numbers 8 and 12: The multiples of 8 are: 8, 16, 24, 32, 40, The multiples of 12 are To find the GCF, take the product of all the common factors of each number. For example, the GCF of 16 and 50 is 2 since the only factor in common between the two numbers is 2. The GCF calculatoris a handy tool to calculate this. Note that the LCM of two integers is the smallest positive integer the is divisible by both the integers Choose Topic. Examples.

Grade 6 » The Number System » Compute fluently with multi-digit numbers and find common factors and multiples. » 4 Print this page. Find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12 How does factoring out the GCF change the expression? Can you factor out a number that is not the GCF? Ex. 2 Rewrite 48 + 144 using the distributive property. Step 1 - GCF= 48. Step 2 - 48 x (1 + 3) The third example that we will work through together is a visual representation of the distributive property and the GCF Greatest Common Factor Date_____ Period____ Find the GCF of each. 1) 39 , 6 2) 24 , 28 3) 40 , 10 4) 39 v, 30 uv 5) 35 n2m, 21 m2n 6) 30 y3, 20 y2 7) 54 , 45 8) 25 , 55 9) 68 , 34 10) 54 , 27 11) 55 , 75 12) 66 yx, 30 x2y 13) 60 y, 56 x2 14) 36 xy3, 24 y2 15) 18 y2, 54 y2 16) 80 x3, 30 yx. GCF. Also called the Greatest Common factor, it refers to the greatest factor that two or more numbers have in common. It is the product of all the prime factors these numbers have in common. Let us see this by an example. 16= 2x2x2x2. 24=2x2x2x3. There are three 2's common to both the numbers, hence the GCF would be 2x2x2=8. LC Example 311. 128 a 4 b 2 + 54 ab 5 GCF is 2 ab 2 2 ab 2 (64 a 3 + 27 b 3) Sum of cubes! Cube roots are 4 a and 3 b 2 ab 2 (4 a +3 b )( 16 a 2 − 12 ab +9 b 2 ) Our Solution 232 6.5 Practice - Factoring Special Products Factor each completely