What is the Greatest Common Factor of 12591 and 12606?

Greatest common factor (GCF) of 12591 and 12606 is 3.

GCF(12591,12606) = 3

We will now calculate the prime factors of 12591 and 12606, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12591 and 12606.

How to find the GCF of 12591 and 12606?

We will first find the prime factorization of 12591 and 12606. After we will calculate the factors of 12591 and 12606 and find the biggest common factor number .

Step-1: Prime Factorization of 12591

Prime factors of 12591 are 3, 1399. Prime factorization of 12591 in exponential form is:

12591 = 3² × 1399¹

Step-2: Prime Factorization of 12606

Prime factors of 12606 are 2, 3, 11, 191. Prime factorization of 12606 in exponential form is:

12606 = 2¹ × 3¹ × 11¹ × 191¹

Step-3: Factors of 12591

List of positive integer factors of 12591 that divides 12591 without a remainder.

1, 3, 9, 1399, 4197

Step-4: Factors of 12606

List of positive integer factors of 12606 that divides 12591 without a remainder.

1, 2, 3, 6, 11, 22, 33, 66, 191, 382, 573, 1146, 2101, 4202, 6303

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12591 and 12606. The biggest common factor number is the GCF number.
So the greatest common factor 12591 and 12606 is 3.

Also check out the Least Common Multiple of 12591 and 12606