What is the Greatest Common Factor of 5643 and 5657?

Greatest common factor (GCF) of 5643 and 5657 is 1.

GCF(5643,5657) = 1

We will now calculate the prime factors of 5643 and 5657, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5643 and 5657.

How to find the GCF of 5643 and 5657?

We will first find the prime factorization of 5643 and 5657. After we will calculate the factors of 5643 and 5657 and find the biggest common factor number .

Step-1: Prime Factorization of 5643

Prime factors of 5643 are 3, 11, 19. Prime factorization of 5643 in exponential form is:

5643 = 3³ × 11¹ × 19¹

Step-2: Prime Factorization of 5657

Prime factors of 5657 are 5657. Prime factorization of 5657 in exponential form is:

5657 = 5657¹

Step-3: Factors of 5643

List of positive integer factors of 5643 that divides 5643 without a remainder.

1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881

Step-4: Factors of 5657

List of positive integer factors of 5657 that divides 5643 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5643 and 5657. The biggest common factor number is the GCF number.
So the greatest common factor 5643 and 5657 is 1.

Also check out the Least Common Multiple of 5643 and 5657