What is the Greatest Common Factor of 15516 and 15528?

Greatest common factor (GCF) of 15516 and 15528 is 12.

GCF(15516,15528) = 12

We will now calculate the prime factors of 15516 and 15528, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15516 and 15528.

How to find the GCF of 15516 and 15528?

We will first find the prime factorization of 15516 and 15528. After we will calculate the factors of 15516 and 15528 and find the biggest common factor number .

Step-1: Prime Factorization of 15516

Prime factors of 15516 are 2, 3, 431. Prime factorization of 15516 in exponential form is:

15516 = 2² × 3² × 431¹

Step-2: Prime Factorization of 15528

Prime factors of 15528 are 2, 3, 647. Prime factorization of 15528 in exponential form is:

15528 = 2³ × 3¹ × 647¹

Step-3: Factors of 15516

List of positive integer factors of 15516 that divides 15516 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1293, 1724, 2586, 3879, 5172, 7758

Step-4: Factors of 15528

List of positive integer factors of 15528 that divides 15516 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 647, 1294, 1941, 2588, 3882, 5176, 7764

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15516 and 15528. The biggest common factor number is the GCF number.
So the greatest common factor 15516 and 15528 is 12.

Also check out the Least Common Multiple of 15516 and 15528