What is the Greatest Common Factor of 4557 and 4571?

Greatest common factor (GCF) of 4557 and 4571 is 7.

GCF(4557,4571) = 7

We will now calculate the prime factors of 4557 and 4571, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4557 and 4571.

How to find the GCF of 4557 and 4571?

We will first find the prime factorization of 4557 and 4571. After we will calculate the factors of 4557 and 4571 and find the biggest common factor number .

Step-1: Prime Factorization of 4557

Prime factors of 4557 are 3, 7, 31. Prime factorization of 4557 in exponential form is:

4557 = 3¹ × 7² × 31¹

Step-2: Prime Factorization of 4571

Prime factors of 4571 are 7, 653. Prime factorization of 4571 in exponential form is:

4571 = 7¹ × 653¹

Step-3: Factors of 4557

List of positive integer factors of 4557 that divides 4557 without a remainder.

1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519

Step-4: Factors of 4571

List of positive integer factors of 4571 that divides 4557 without a remainder.

1, 7, 653

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4557 and 4571. The biggest common factor number is the GCF number.
So the greatest common factor 4557 and 4571 is 7.

Also check out the Least Common Multiple of 4557 and 4571