GCF and LCM Calculator Logo

What is the Greatest Common Factor of 2938 and 2951?

Greatest common factor (GCF) of 2938 and 2951 is 13.

GCF(2938,2951) = 13

We will now calculate the prime factors of 2938 and 2951, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2938 and 2951.

GCF Calculator and
and

How to find the GCF of 2938 and 2951?

We will first find the prime factorization of 2938 and 2951. After we will calculate the factors of 2938 and 2951 and find the biggest common factor number .

Step-1: Prime Factorization of 2938

Prime factors of 2938 are 2, 13, 113. Prime factorization of 2938 in exponential form is:

2938 = 21 × 131 × 1131

Step-2: Prime Factorization of 2951

Prime factors of 2951 are 13, 227. Prime factorization of 2951 in exponential form is:

2951 = 131 × 2271

Step-3: Factors of 2938

List of positive integer factors of 2938 that divides 2938 without a remainder.

1, 2, 13, 26, 113, 226, 1469

Step-4: Factors of 2951

List of positive integer factors of 2951 that divides 2938 without a remainder.

1, 13, 227

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2938 and 2951. The biggest common factor number is the GCF number.
So the greatest common factor 2938 and 2951 is 13.

Also check out the Least Common Multiple of 2938 and 2951