What is the Greatest Common Factor of 42573 and 42591?

Greatest common factor (GCF) of 42573 and 42591 is 3.

GCF(42573,42591) = 3

We will now calculate the prime factors of 42573 and 42591, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42573 and 42591.

How to find the GCF of 42573 and 42591?

We will first find the prime factorization of 42573 and 42591. After we will calculate the factors of 42573 and 42591 and find the biggest common factor number .

Step-1: Prime Factorization of 42573

Prime factors of 42573 are 3, 23, 617. Prime factorization of 42573 in exponential form is:

42573 = 3¹ × 23¹ × 617¹

Step-2: Prime Factorization of 42591

Prime factors of 42591 are 3, 14197. Prime factorization of 42591 in exponential form is:

42591 = 3¹ × 14197¹

Step-3: Factors of 42573

List of positive integer factors of 42573 that divides 42573 without a remainder.

1, 3, 23, 69, 617, 1851, 14191

Step-4: Factors of 42591

List of positive integer factors of 42591 that divides 42573 without a remainder.

1, 3, 14197

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42573 and 42591. The biggest common factor number is the GCF number.
So the greatest common factor 42573 and 42591 is 3.

Also check out the Least Common Multiple of 42573 and 42591