What is the Greatest Common Factor of 12680 and 12687?

Greatest common factor (GCF) of 12680 and 12687 is 1.

GCF(12680,12687) = 1

We will now calculate the prime factors of 12680 and 12687, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12680 and 12687.

How to find the GCF of 12680 and 12687?

We will first find the prime factorization of 12680 and 12687. After we will calculate the factors of 12680 and 12687 and find the biggest common factor number .

Step-1: Prime Factorization of 12680

Prime factors of 12680 are 2, 5, 317. Prime factorization of 12680 in exponential form is:

12680 = 2³ × 5¹ × 317¹

Step-2: Prime Factorization of 12687

Prime factors of 12687 are 3, 4229. Prime factorization of 12687 in exponential form is:

12687 = 3¹ × 4229¹

Step-3: Factors of 12680

List of positive integer factors of 12680 that divides 12680 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 6340

Step-4: Factors of 12687

List of positive integer factors of 12687 that divides 12680 without a remainder.

1, 3, 4229

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12680 and 12687. The biggest common factor number is the GCF number.
So the greatest common factor 12680 and 12687 is 1.

Also check out the Least Common Multiple of 12680 and 12687