What is the Greatest Common Factor of 2916 and 2920?

Greatest common factor (GCF) of 2916 and 2920 is 4.

GCF(2916,2920) = 4

We will now calculate the prime factors of 2916 and 2920, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2916 and 2920.

How to find the GCF of 2916 and 2920?

We will first find the prime factorization of 2916 and 2920. After we will calculate the factors of 2916 and 2920 and find the biggest common factor number .

Step-1: Prime Factorization of 2916

Prime factors of 2916 are 2, 3. Prime factorization of 2916 in exponential form is:

2916 = 2² × 3⁶

Step-2: Prime Factorization of 2920

Prime factors of 2920 are 2, 5, 73. Prime factorization of 2920 in exponential form is:

2920 = 2³ × 5¹ × 73¹

Step-3: Factors of 2916

List of positive integer factors of 2916 that divides 2916 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458

Step-4: Factors of 2920

List of positive integer factors of 2920 that divides 2916 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2916 and 2920. The biggest common factor number is the GCF number.
So the greatest common factor 2916 and 2920 is 4.

Also check out the Least Common Multiple of 2916 and 2920