What is the Greatest Common Factor of 57643 and 57663?

Greatest common factor (GCF) of 57643 and 57663 is 1.

GCF(57643,57663) = 1

We will now calculate the prime factors of 57643 and 57663, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 57643 and 57663.

How to find the GCF of 57643 and 57663?

We will first find the prime factorization of 57643 and 57663. After we will calculate the factors of 57643 and 57663 and find the biggest common factor number .

Step-1: Prime Factorization of 57643

Prime factors of 57643 are 59, 977. Prime factorization of 57643 in exponential form is:

57643 = 59¹ × 977¹

Step-2: Prime Factorization of 57663

Prime factors of 57663 are 3, 43, 149. Prime factorization of 57663 in exponential form is:

57663 = 3² × 43¹ × 149¹

Step-3: Factors of 57643

List of positive integer factors of 57643 that divides 57643 without a remainder.

1, 59, 977

Step-4: Factors of 57663

List of positive integer factors of 57663 that divides 57643 without a remainder.

1, 3, 9, 43, 129, 149, 387, 447, 1341, 6407, 19221

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 57643 and 57663. The biggest common factor number is the GCF number.
So the greatest common factor 57643 and 57663 is 1.

Also check out the Least Common Multiple of 57643 and 57663