What is the Greatest Common Factor of 2940 and 2957?

Greatest common factor (GCF) of 2940 and 2957 is 1.

GCF(2940,2957) = 1

We will now calculate the prime factors of 2940 and 2957, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2940 and 2957.

How to find the GCF of 2940 and 2957?

We will first find the prime factorization of 2940 and 2957. After we will calculate the factors of 2940 and 2957 and find the biggest common factor number .

Step-1: Prime Factorization of 2940

Prime factors of 2940 are 2, 3, 5, 7. Prime factorization of 2940 in exponential form is:

2940 = 2² × 3¹ × 5¹ × 7²

Step-2: Prime Factorization of 2957

Prime factors of 2957 are 2957. Prime factorization of 2957 in exponential form is:

2957 = 2957¹

Step-3: Factors of 2940

List of positive integer factors of 2940 that divides 2940 without a remainder.

1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470

Step-4: Factors of 2957

List of positive integer factors of 2957 that divides 2940 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2940 and 2957. The biggest common factor number is the GCF number.
So the greatest common factor 2940 and 2957 is 1.

Also check out the Least Common Multiple of 2940 and 2957