What is the Greatest Common Factor of 72260 and 72280?

Greatest common factor (GCF) of 72260 and 72280 is 20.

GCF(72260,72280) = 20

We will now calculate the prime factors of 72260 and 72280, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72260 and 72280.

How to find the GCF of 72260 and 72280?

We will first find the prime factorization of 72260 and 72280. After we will calculate the factors of 72260 and 72280 and find the biggest common factor number .

Step-1: Prime Factorization of 72260

Prime factors of 72260 are 2, 5, 3613. Prime factorization of 72260 in exponential form is:

72260 = 2² × 5¹ × 3613¹

Step-2: Prime Factorization of 72280

Prime factors of 72280 are 2, 5, 13, 139. Prime factorization of 72280 in exponential form is:

72280 = 2³ × 5¹ × 13¹ × 139¹

Step-3: Factors of 72260

List of positive integer factors of 72260 that divides 72260 without a remainder.

1, 2, 4, 5, 10, 20, 3613, 7226, 14452, 18065, 36130

Step-4: Factors of 72280

List of positive integer factors of 72280 that divides 72260 without a remainder.

1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 139, 260, 278, 520, 556, 695, 1112, 1390, 1807, 2780, 3614, 5560, 7228, 9035, 14456, 18070, 36140

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72260 and 72280. The biggest common factor number is the GCF number.
So the greatest common factor 72260 and 72280 is 20.

Also check out the Least Common Multiple of 72260 and 72280