What is the Greatest Common Factor of 12489 and 12503?

Greatest common factor (GCF) of 12489 and 12503 is 1.

GCF(12489,12503) = 1

We will now calculate the prime factors of 12489 and 12503, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12489 and 12503.

How to find the GCF of 12489 and 12503?

We will first find the prime factorization of 12489 and 12503. After we will calculate the factors of 12489 and 12503 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 12503

Prime factors of 12503 are 12503. Prime factorization of 12503 in exponential form is:

12503 = 12503¹

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 12503

List of positive integer factors of 12503 that divides 12489 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12489 and 12503. The biggest common factor number is the GCF number.
So the greatest common factor 12489 and 12503 is 1.

Also check out the Least Common Multiple of 12489 and 12503