What is the Greatest Common Factor of 2921 and 2940?

Greatest common factor (GCF) of 2921 and 2940 is 1.

GCF(2921,2940) = 1

We will now calculate the prime factors of 2921 and 2940, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2921 and 2940.

How to find the GCF of 2921 and 2940?

We will first find the prime factorization of 2921 and 2940. After we will calculate the factors of 2921 and 2940 and find the biggest common factor number .

Step-1: Prime Factorization of 2921

Prime factors of 2921 are 23, 127. Prime factorization of 2921 in exponential form is:

2921 = 23¹ × 127¹

Step-2: 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-3: Factors of 2921

List of positive integer factors of 2921 that divides 2921 without a remainder.

1, 23, 127

Step-4: Factors of 2940

List of positive integer factors of 2940 that divides 2921 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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2921 and 2940. The biggest common factor number is the GCF number.
So the greatest common factor 2921 and 2940 is 1.

Also check out the Least Common Multiple of 2921 and 2940