What is the Greatest Common Factor of 12156 and 12172?

Greatest common factor (GCF) of 12156 and 12172 is 4.

GCF(12156,12172) = 4

We will now calculate the prime factors of 12156 and 12172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12156 and 12172.

How to find the GCF of 12156 and 12172?

We will first find the prime factorization of 12156 and 12172. After we will calculate the factors of 12156 and 12172 and find the biggest common factor number .

Step-1: Prime Factorization of 12156

Prime factors of 12156 are 2, 3, 1013. Prime factorization of 12156 in exponential form is:

12156 = 2² × 3¹ × 1013¹

Step-2: Prime Factorization of 12172

Prime factors of 12172 are 2, 17, 179. Prime factorization of 12172 in exponential form is:

12172 = 2² × 17¹ × 179¹

Step-3: Factors of 12156

List of positive integer factors of 12156 that divides 12156 without a remainder.

1, 2, 3, 4, 6, 12, 1013, 2026, 3039, 4052, 6078

Step-4: Factors of 12172

List of positive integer factors of 12172 that divides 12156 without a remainder.

1, 2, 4, 17, 34, 68, 179, 358, 716, 3043, 6086

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12156 and 12172. The biggest common factor number is the GCF number.
So the greatest common factor 12156 and 12172 is 4.

Also check out the Least Common Multiple of 12156 and 12172