What is the Greatest Common Factor of 12489 and 12497?

Greatest common factor (GCF) of 12489 and 12497 is 1.

GCF(12489,12497) = 1

We will now calculate the prime factors of 12489 and 12497, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12489 and 12497.

How to find the GCF of 12489 and 12497?

We will first find the prime factorization of 12489 and 12497. After we will calculate the factors of 12489 and 12497 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 12497

Prime factors of 12497 are 12497. Prime factorization of 12497 in exponential form is:

12497 = 12497¹

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 12497

List of positive integer factors of 12497 that divides 12489 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12489 and 12497. The biggest common factor number is the GCF number.
So the greatest common factor 12489 and 12497 is 1.

Also check out the Least Common Multiple of 12489 and 12497