What is the Greatest Common Factor of 12489 and 12504?

Greatest common factor (GCF) of 12489 and 12504 is 3.

GCF(12489,12504) = 3

We will now calculate the prime factors of 12489 and 12504, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12489 and 12504.

How to find the GCF of 12489 and 12504?

We will first find the prime factorization of 12489 and 12504. After we will calculate the factors of 12489 and 12504 and find the biggest common factor number .

Step-1: Prime Factorization of 12489

Prime factors of 12489 are 3, 23, 181. Prime factorization of 12489 in exponential form is:

12489 = 3¹ × 23¹ × 181¹

Step-2: Prime Factorization of 12504

Prime factors of 12504 are 2, 3, 521. Prime factorization of 12504 in exponential form is:

12504 = 2³ × 3¹ × 521¹

Step-3: Factors of 12489

List of positive integer factors of 12489 that divides 12489 without a remainder.

1, 3, 23, 69, 181, 543, 4163

Step-4: Factors of 12504

List of positive integer factors of 12504 that divides 12489 without a remainder.

1, 2, 3, 4, 6, 8, 12, 24, 521, 1042, 1563, 2084, 3126, 4168, 6252

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12489 and 12504. The biggest common factor number is the GCF number.
So the greatest common factor 12489 and 12504 is 3.

Also check out the Least Common Multiple of 12489 and 12504