What is the Greatest Common Factor of 15315 and 15324?

Greatest common factor (GCF) of 15315 and 15324 is 3.

GCF(15315,15324) = 3

We will now calculate the prime factors of 15315 and 15324, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15315 and 15324.

How to find the GCF of 15315 and 15324?

We will first find the prime factorization of 15315 and 15324. After we will calculate the factors of 15315 and 15324 and find the biggest common factor number .

Step-1: Prime Factorization of 15315

Prime factors of 15315 are 3, 5, 1021. Prime factorization of 15315 in exponential form is:

15315 = 3¹ × 5¹ × 1021¹

Step-2: Prime Factorization of 15324

Prime factors of 15324 are 2, 3, 1277. Prime factorization of 15324 in exponential form is:

15324 = 2² × 3¹ × 1277¹

Step-3: Factors of 15315

List of positive integer factors of 15315 that divides 15315 without a remainder.

1, 3, 5, 15, 1021, 3063, 5105

Step-4: Factors of 15324

List of positive integer factors of 15324 that divides 15315 without a remainder.

1, 2, 3, 4, 6, 12, 1277, 2554, 3831, 5108, 7662

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15315 and 15324. The biggest common factor number is the GCF number.
So the greatest common factor 15315 and 15324 is 3.

Also check out the Least Common Multiple of 15315 and 15324