What is the Greatest Common Factor of 12475 and 12489?

Greatest common factor (GCF) of 12475 and 12489 is 1.

GCF(12475,12489) = 1

We will now calculate the prime factors of 12475 and 12489, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12475 and 12489.

How to find the GCF of 12475 and 12489?

We will first find the prime factorization of 12475 and 12489. After we will calculate the factors of 12475 and 12489 and find the biggest common factor number .

Step-1: Prime Factorization of 12475

Prime factors of 12475 are 5, 499. Prime factorization of 12475 in exponential form is:

12475 = 5² × 499¹

Step-2: 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-3: Factors of 12475

List of positive integer factors of 12475 that divides 12475 without a remainder.

1, 5, 25, 499, 2495

Step-4: Factors of 12489

List of positive integer factors of 12489 that divides 12475 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12475 and 12489. The biggest common factor number is the GCF number.
So the greatest common factor 12475 and 12489 is 1.

Also check out the Least Common Multiple of 12475 and 12489