What is the Greatest Common Factor of 77961 and 77976?

Greatest common factor (GCF) of 77961 and 77976 is 3.

GCF(77961,77976) = 3

We will now calculate the prime factors of 77961 and 77976, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77961 and 77976.

How to find the GCF of 77961 and 77976?

We will first find the prime factorization of 77961 and 77976. After we will calculate the factors of 77961 and 77976 and find the biggest common factor number .

Step-1: Prime Factorization of 77961

Prime factors of 77961 are 3, 13, 1999. Prime factorization of 77961 in exponential form is:

77961 = 3¹ × 13¹ × 1999¹

Step-2: Prime Factorization of 77976

Prime factors of 77976 are 2, 3, 19. Prime factorization of 77976 in exponential form is:

77976 = 2³ × 3³ × 19²

Step-3: Factors of 77961

List of positive integer factors of 77961 that divides 77961 without a remainder.

1, 3, 13, 39, 1999, 5997, 25987

Step-4: Factors of 77976

List of positive integer factors of 77976 that divides 77961 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 361, 456, 513, 684, 722, 1026, 1083, 1368, 1444, 2052, 2166, 2888, 3249, 4104, 4332, 6498, 8664, 9747, 12996, 19494, 25992, 38988

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77961 and 77976. The biggest common factor number is the GCF number.
So the greatest common factor 77961 and 77976 is 3.

Also check out the Least Common Multiple of 77961 and 77976