What is the Greatest Common Factor of 12555 and 12571?

Greatest common factor (GCF) of 12555 and 12571 is 1.

GCF(12555,12571) = 1

We will now calculate the prime factors of 12555 and 12571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12555 and 12571.

How to find the GCF of 12555 and 12571?

We will first find the prime factorization of 12555 and 12571. After we will calculate the factors of 12555 and 12571 and find the biggest common factor number .

Step-1: Prime Factorization of 12555

Prime factors of 12555 are 3, 5, 31. Prime factorization of 12555 in exponential form is:

12555 = 3⁴ × 5¹ × 31¹

Step-2: Prime Factorization of 12571

Prime factors of 12571 are 13, 967. Prime factorization of 12571 in exponential form is:

12571 = 13¹ × 967¹

Step-3: Factors of 12555

List of positive integer factors of 12555 that divides 12555 without a remainder.

1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185

Step-4: Factors of 12571

List of positive integer factors of 12571 that divides 12555 without a remainder.

1, 13, 967

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12555 and 12571. The biggest common factor number is the GCF number.
So the greatest common factor 12555 and 12571 is 1.

Also check out the Least Common Multiple of 12555 and 12571