What is the Greatest Common Factor of 91956 and 91972?

Greatest common factor (GCF) of 91956 and 91972 is 4.

GCF(91956,91972) = 4

We will now calculate the prime factors of 91956 and 91972, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 91956 and 91972.

How to find the GCF of 91956 and 91972?

We will first find the prime factorization of 91956 and 91972. After we will calculate the factors of 91956 and 91972 and find the biggest common factor number .

Step-1: Prime Factorization of 91956

Prime factors of 91956 are 2, 3, 79, 97. Prime factorization of 91956 in exponential form is:

91956 = 2² × 3¹ × 79¹ × 97¹

Step-2: Prime Factorization of 91972

Prime factors of 91972 are 2, 22993. Prime factorization of 91972 in exponential form is:

91972 = 2² × 22993¹

Step-3: Factors of 91956

List of positive integer factors of 91956 that divides 91956 without a remainder.

1, 2, 3, 4, 6, 12, 79, 97, 158, 194, 237, 291, 316, 388, 474, 582, 948, 1164, 7663, 15326, 22989, 30652, 45978

Step-4: Factors of 91972

List of positive integer factors of 91972 that divides 91956 without a remainder.

1, 2, 4, 22993, 45986

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 91956 and 91972. The biggest common factor number is the GCF number.
So the greatest common factor 91956 and 91972 is 4.

Also check out the Least Common Multiple of 91956 and 91972