What is the Greatest Common Factor of 12575 and 12580?

Greatest common factor (GCF) of 12575 and 12580 is 5.

GCF(12575,12580) = 5

We will now calculate the prime factors of 12575 and 12580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12575 and 12580.

How to find the GCF of 12575 and 12580?

We will first find the prime factorization of 12575 and 12580. After we will calculate the factors of 12575 and 12580 and find the biggest common factor number .

Step-1: Prime Factorization of 12575

Prime factors of 12575 are 5, 503. Prime factorization of 12575 in exponential form is:

12575 = 5² × 503¹

Step-2: Prime Factorization of 12580

Prime factors of 12580 are 2, 5, 17, 37. Prime factorization of 12580 in exponential form is:

12580 = 2² × 5¹ × 17¹ × 37¹

Step-3: Factors of 12575

List of positive integer factors of 12575 that divides 12575 without a remainder.

1, 5, 25, 503, 2515

Step-4: Factors of 12580

List of positive integer factors of 12580 that divides 12575 without a remainder.

1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 2516, 3145, 6290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12575 and 12580. The biggest common factor number is the GCF number.
So the greatest common factor 12575 and 12580 is 5.

Also check out the Least Common Multiple of 12575 and 12580