What is the Greatest Common Factor of 2708 and 2720?

Greatest common factor (GCF) of 2708 and 2720 is 4.

GCF(2708,2720) = 4

We will now calculate the prime factors of 2708 and 2720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2708 and 2720.

How to find the GCF of 2708 and 2720?

We will first find the prime factorization of 2708 and 2720. After we will calculate the factors of 2708 and 2720 and find the biggest common factor number .

Step-1: Prime Factorization of 2708

Prime factors of 2708 are 2, 677. Prime factorization of 2708 in exponential form is:

2708 = 2² × 677¹

Step-2: Prime Factorization of 2720

Prime factors of 2720 are 2, 5, 17. Prime factorization of 2720 in exponential form is:

2720 = 2⁵ × 5¹ × 17¹

Step-3: Factors of 2708

List of positive integer factors of 2708 that divides 2708 without a remainder.

1, 2, 4, 677, 1354

Step-4: Factors of 2720

List of positive integer factors of 2720 that divides 2708 without a remainder.

1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2708 and 2720. The biggest common factor number is the GCF number.
So the greatest common factor 2708 and 2720 is 4.

Also check out the Least Common Multiple of 2708 and 2720