What is the Greatest Common Factor of 12510 and 12515?

Greatest common factor (GCF) of 12510 and 12515 is 5.

GCF(12510,12515) = 5

We will now calculate the prime factors of 12510 and 12515, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12510 and 12515.

How to find the GCF of 12510 and 12515?

We will first find the prime factorization of 12510 and 12515. After we will calculate the factors of 12510 and 12515 and find the biggest common factor number .

Step-1: Prime Factorization of 12510

Prime factors of 12510 are 2, 3, 5, 139. Prime factorization of 12510 in exponential form is:

12510 = 2¹ × 3² × 5¹ × 139¹

Step-2: Prime Factorization of 12515

Prime factors of 12515 are 5, 2503. Prime factorization of 12515 in exponential form is:

12515 = 5¹ × 2503¹

Step-3: Factors of 12510

List of positive integer factors of 12510 that divides 12510 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255

Step-4: Factors of 12515

List of positive integer factors of 12515 that divides 12510 without a remainder.

1, 5, 2503

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12510 and 12515. The biggest common factor number is the GCF number.
So the greatest common factor 12510 and 12515 is 5.

Also check out the Least Common Multiple of 12510 and 12515