What is the Greatest Common Factor of 2808 and 2820?

Greatest common factor (GCF) of 2808 and 2820 is 12.

GCF(2808,2820) = 12

We will now calculate the prime factors of 2808 and 2820, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2808 and 2820.

How to find the GCF of 2808 and 2820?

We will first find the prime factorization of 2808 and 2820. After we will calculate the factors of 2808 and 2820 and find the biggest common factor number .

Step-1: Prime Factorization of 2808

Prime factors of 2808 are 2, 3, 13. Prime factorization of 2808 in exponential form is:

2808 = 2³ × 3³ × 13¹

Step-2: Prime Factorization of 2820

Prime factors of 2820 are 2, 3, 5, 47. Prime factorization of 2820 in exponential form is:

2820 = 2² × 3¹ × 5¹ × 47¹

Step-3: Factors of 2808

List of positive integer factors of 2808 that divides 2808 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404

Step-4: Factors of 2820

List of positive integer factors of 2820 that divides 2808 without a remainder.

1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2808 and 2820. The biggest common factor number is the GCF number.
So the greatest common factor 2808 and 2820 is 12.

Also check out the Least Common Multiple of 2808 and 2820