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What is the Greatest Common Factor of 77916 and 77924?

Greatest common factor (GCF) of 77916 and 77924 is 4.

GCF(77916,77924) = 4

We will now calculate the prime factors of 77916 and 77924, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77916 and 77924.

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How to find the GCF of 77916 and 77924?

We will first find the prime factorization of 77916 and 77924. After we will calculate the factors of 77916 and 77924 and find the biggest common factor number .

Step-1: Prime Factorization of 77916

Prime factors of 77916 are 2, 3, 43, 151. Prime factorization of 77916 in exponential form is:

77916 = 22 × 31 × 431 × 1511

Step-2: Prime Factorization of 77924

Prime factors of 77924 are 2, 7, 11, 23. Prime factorization of 77924 in exponential form is:

77924 = 22 × 71 × 112 × 231

Step-3: Factors of 77916

List of positive integer factors of 77916 that divides 77916 without a remainder.

1, 2, 3, 4, 6, 12, 43, 86, 129, 151, 172, 258, 302, 453, 516, 604, 906, 1812, 6493, 12986, 19479, 25972, 38958

Step-4: Factors of 77924

List of positive integer factors of 77924 that divides 77916 without a remainder.

1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 644, 847, 1012, 1694, 1771, 2783, 3388, 3542, 5566, 7084, 11132, 19481, 38962

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77916 and 77924. The biggest common factor number is the GCF number.
So the greatest common factor 77916 and 77924 is 4.

Also check out the Least Common Multiple of 77916 and 77924