What is the Greatest Common Factor of 57315 and 57321?

Greatest common factor (GCF) of 57315 and 57321 is 3.

GCF(57315,57321) = 3

We will now calculate the prime factors of 57315 and 57321, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57315 and 57321.

How to find the GCF of 57315 and 57321?

We will first find the prime factorization of 57315 and 57321. After we will calculate the factors of 57315 and 57321 and find the biggest common factor number .

Step-1: Prime Factorization of 57315

Prime factors of 57315 are 3, 5, 3821. Prime factorization of 57315 in exponential form is:

57315 = 3¹ × 5¹ × 3821¹

Step-2: Prime Factorization of 57321

Prime factors of 57321 are 3, 11, 193. Prime factorization of 57321 in exponential form is:

57321 = 3³ × 11¹ × 193¹

Step-3: Factors of 57315

List of positive integer factors of 57315 that divides 57315 without a remainder.

1, 3, 5, 15, 3821, 11463, 19105

Step-4: Factors of 57321

List of positive integer factors of 57321 that divides 57315 without a remainder.

1, 3, 9, 11, 27, 33, 99, 193, 297, 579, 1737, 2123, 5211, 6369, 19107

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57315 and 57321. The biggest common factor number is the GCF number.
So the greatest common factor 57315 and 57321 is 3.

Also check out the Least Common Multiple of 57315 and 57321