What is the Greatest Common Factor of 12585 and 12605?

Greatest common factor (GCF) of 12585 and 12605 is 5.

GCF(12585,12605) = 5

We will now calculate the prime factors of 12585 and 12605, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12585 and 12605.

How to find the GCF of 12585 and 12605?

We will first find the prime factorization of 12585 and 12605. After we will calculate the factors of 12585 and 12605 and find the biggest common factor number .

Step-1: Prime Factorization of 12585

Prime factors of 12585 are 3, 5, 839. Prime factorization of 12585 in exponential form is:

12585 = 3¹ × 5¹ × 839¹

Step-2: Prime Factorization of 12605

Prime factors of 12605 are 5, 2521. Prime factorization of 12605 in exponential form is:

12605 = 5¹ × 2521¹

Step-3: Factors of 12585

List of positive integer factors of 12585 that divides 12585 without a remainder.

1, 3, 5, 15, 839, 2517, 4195

Step-4: Factors of 12605

List of positive integer factors of 12605 that divides 12585 without a remainder.

1, 5, 2521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12585 and 12605. The biggest common factor number is the GCF number.
So the greatest common factor 12585 and 12605 is 5.

Also check out the Least Common Multiple of 12585 and 12605