What is the Greatest Common Factor of 42591 and 42597?

Greatest common factor (GCF) of 42591 and 42597 is 3.

GCF(42591,42597) = 3

We will now calculate the prime factors of 42591 and 42597, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42591 and 42597.

How to find the GCF of 42591 and 42597?

We will first find the prime factorization of 42591 and 42597. After we will calculate the factors of 42591 and 42597 and find the biggest common factor number .

Step-1: Prime Factorization of 42591

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

42591 = 3¹ × 14197¹

Step-2: Prime Factorization of 42597

Prime factors of 42597 are 3, 4733. Prime factorization of 42597 in exponential form is:

42597 = 3² × 4733¹

Step-3: Factors of 42591

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

1, 3, 14197

Step-4: Factors of 42597

List of positive integer factors of 42597 that divides 42591 without a remainder.

1, 3, 9, 4733, 14199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42591 and 42597. The biggest common factor number is the GCF number.
So the greatest common factor 42591 and 42597 is 3.

Also check out the Least Common Multiple of 42591 and 42597