What is the Greatest Common Factor of 28712 and 28720?

Greatest common factor (GCF) of 28712 and 28720 is 8.

GCF(28712,28720) = 8

We will now calculate the prime factors of 28712 and 28720, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28712 and 28720.

How to find the GCF of 28712 and 28720?

We will first find the prime factorization of 28712 and 28720. After we will calculate the factors of 28712 and 28720 and find the biggest common factor number .

Step-1: Prime Factorization of 28712

Prime factors of 28712 are 2, 37, 97. Prime factorization of 28712 in exponential form is:

28712 = 2³ × 37¹ × 97¹

Step-2: Prime Factorization of 28720

Prime factors of 28720 are 2, 5, 359. Prime factorization of 28720 in exponential form is:

28720 = 2⁴ × 5¹ × 359¹

Step-3: Factors of 28712

List of positive integer factors of 28712 that divides 28712 without a remainder.

1, 2, 4, 8, 37, 74, 97, 148, 194, 296, 388, 776, 3589, 7178, 14356

Step-4: Factors of 28720

List of positive integer factors of 28720 that divides 28712 without a remainder.

1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 359, 718, 1436, 1795, 2872, 3590, 5744, 7180, 14360

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28712 and 28720. The biggest common factor number is the GCF number.
So the greatest common factor 28712 and 28720 is 8.

Also check out the Least Common Multiple of 28712 and 28720