What is the Greatest Common Factor of 57147 and 57156?

Greatest common factor (GCF) of 57147 and 57156 is 3.

GCF(57147,57156) = 3

We will now calculate the prime factors of 57147 and 57156, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57147 and 57156.

How to find the GCF of 57147 and 57156?

We will first find the prime factorization of 57147 and 57156. After we will calculate the factors of 57147 and 57156 and find the biggest common factor number .

Step-1: Prime Factorization of 57147

Prime factors of 57147 are 3, 43, 443. Prime factorization of 57147 in exponential form is:

57147 = 3¹ × 43¹ × 443¹

Step-2: Prime Factorization of 57156

Prime factors of 57156 are 2, 3, 11, 433. Prime factorization of 57156 in exponential form is:

57156 = 2² × 3¹ × 11¹ × 433¹

Step-3: Factors of 57147

List of positive integer factors of 57147 that divides 57147 without a remainder.

1, 3, 43, 129, 443, 1329, 19049

Step-4: Factors of 57156

List of positive integer factors of 57156 that divides 57147 without a remainder.

1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 433, 866, 1299, 1732, 2598, 4763, 5196, 9526, 14289, 19052, 28578

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57147 and 57156. The biggest common factor number is the GCF number.
So the greatest common factor 57147 and 57156 is 3.

Also check out the Least Common Multiple of 57147 and 57156