What is the Greatest Common Factor of 72680 and 72700?

Greatest common factor (GCF) of 72680 and 72700 is 20.

GCF(72680,72700) = 20

We will now calculate the prime factors of 72680 and 72700, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72680 and 72700.

How to find the GCF of 72680 and 72700?

We will first find the prime factorization of 72680 and 72700. After we will calculate the factors of 72680 and 72700 and find the biggest common factor number .

Step-1: Prime Factorization of 72680

Prime factors of 72680 are 2, 5, 23, 79. Prime factorization of 72680 in exponential form is:

72680 = 2³ × 5¹ × 23¹ × 79¹

Step-2: Prime Factorization of 72700

Prime factors of 72700 are 2, 5, 727. Prime factorization of 72700 in exponential form is:

72700 = 2² × 5² × 727¹

Step-3: Factors of 72680

List of positive integer factors of 72680 that divides 72680 without a remainder.

1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 632, 790, 920, 1580, 1817, 3160, 3634, 7268, 9085, 14536, 18170, 36340

Step-4: Factors of 72700

List of positive integer factors of 72700 that divides 72680 without a remainder.

1, 2, 4, 5, 10, 20, 25, 50, 100, 727, 1454, 2908, 3635, 7270, 14540, 18175, 36350

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72680 and 72700. The biggest common factor number is the GCF number.
So the greatest common factor 72680 and 72700 is 20.

Also check out the Least Common Multiple of 72680 and 72700