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What is the Greatest Common Factor of 64 and 76?

Greatest common factor (GCF) of 64 and 76 is 4.

GCF(64,76) = 4

We will now calculate the prime factors of 64 and 76, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64 and 76.

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How to find the GCF of 64 and 76?

We will first find the prime factorization of 64 and 76. After we will calculate the factors of 64 and 76 and find the biggest common factor number .

Step-1: Prime Factorization of 64

Prime factors of 64 are 2. Prime factorization of 64 in exponential form is:

64 = 26

Step-2: Prime Factorization of 76

Prime factors of 76 are 2, 19. Prime factorization of 76 in exponential form is:

76 = 22 × 191

Step-3: Factors of 64

List of positive integer factors of 64 that divides 64 without a remainder.

1, 2, 4, 8, 16, 32

Step-4: Factors of 76

List of positive integer factors of 76 that divides 64 without a remainder.

1, 2, 4, 19, 38

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64 and 76. The biggest common factor number is the GCF number.
So the greatest common factor 64 and 76 is 4.

Also check out the Least Common Multiple of 64 and 76

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