What is the Greatest Common Factor of 57043 and 57057?

Greatest common factor (GCF) of 57043 and 57057 is 7.

GCF(57043,57057) = 7

We will now calculate the prime factors of 57043 and 57057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57043 and 57057.

How to find the GCF of 57043 and 57057?

We will first find the prime factorization of 57043 and 57057. After we will calculate the factors of 57043 and 57057 and find the biggest common factor number .

Step-1: Prime Factorization of 57043

Prime factors of 57043 are 7, 29, 281. Prime factorization of 57043 in exponential form is:

57043 = 7¹ × 29¹ × 281¹

Step-2: Prime Factorization of 57057

Prime factors of 57057 are 3, 7, 11, 13, 19. Prime factorization of 57057 in exponential form is:

57057 = 3¹ × 7¹ × 11¹ × 13¹ × 19¹

Step-3: Factors of 57043

List of positive integer factors of 57043 that divides 57043 without a remainder.

1, 7, 29, 203, 281, 1967, 8149

Step-4: Factors of 57057

List of positive integer factors of 57057 that divides 57043 without a remainder.

1, 3, 7, 11, 13, 19, 21, 33, 39, 57, 77, 91, 133, 143, 209, 231, 247, 273, 399, 429, 627, 741, 1001, 1463, 1729, 2717, 3003, 4389, 5187, 8151, 19019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57043 and 57057. The biggest common factor number is the GCF number.
So the greatest common factor 57043 and 57057 is 7.

Also check out the Least Common Multiple of 57043 and 57057