What is the Greatest Common Factor of 7131 and 7137?

Greatest common factor (GCF) of 7131 and 7137 is 3.

GCF(7131,7137) = 3

We will now calculate the prime factors of 7131 and 7137, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7131 and 7137.

How to find the GCF of 7131 and 7137?

We will first find the prime factorization of 7131 and 7137. After we will calculate the factors of 7131 and 7137 and find the biggest common factor number .

Step-1: Prime Factorization of 7131

Prime factors of 7131 are 3, 2377. Prime factorization of 7131 in exponential form is:

7131 = 3¹ × 2377¹

Step-2: Prime Factorization of 7137

Prime factors of 7137 are 3, 13, 61. Prime factorization of 7137 in exponential form is:

7137 = 3² × 13¹ × 61¹

Step-3: Factors of 7131

List of positive integer factors of 7131 that divides 7131 without a remainder.

1, 3, 2377

Step-4: Factors of 7137

List of positive integer factors of 7137 that divides 7131 without a remainder.

1, 3, 9, 13, 39, 61, 117, 183, 549, 793, 2379

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7131 and 7137. The biggest common factor number is the GCF number.
So the greatest common factor 7131 and 7137 is 3.

Also check out the Least Common Multiple of 7131 and 7137