GCF and LCM Calculator Logo

What is the Greatest Common Factor of 12165 and 12172?

Greatest common factor (GCF) of 12165 and 12172 is 1.

GCF(12165,12172) = 1

We will now calculate the prime factors of 12165 and 12172, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12165 and 12172.

GCF Calculator and
and

How to find the GCF of 12165 and 12172?

We will first find the prime factorization of 12165 and 12172. After we will calculate the factors of 12165 and 12172 and find the biggest common factor number .

Step-1: Prime Factorization of 12165

Prime factors of 12165 are 3, 5, 811. Prime factorization of 12165 in exponential form is:

12165 = 31 × 51 × 8111

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 12165

List of positive integer factors of 12165 that divides 12165 without a remainder.

1, 3, 5, 15, 811, 2433, 4055

Step-4: Factors of 12172

List of positive integer factors of 12172 that divides 12165 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 12165 and 12172. The biggest common factor number is the GCF number.
So the greatest common factor 12165 and 12172 is 1.

Also check out the Least Common Multiple of 12165 and 12172