What is the Greatest Common Factor of 72364 and 72380?

Greatest common factor (GCF) of 72364 and 72380 is 4.

GCF(72364,72380) = 4

We will now calculate the prime factors of 72364 and 72380, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72364 and 72380.

How to find the GCF of 72364 and 72380?

We will first find the prime factorization of 72364 and 72380. After we will calculate the factors of 72364 and 72380 and find the biggest common factor number .

Step-1: Prime Factorization of 72364

Prime factors of 72364 are 2, 79, 229. Prime factorization of 72364 in exponential form is:

72364 = 2² × 79¹ × 229¹

Step-2: Prime Factorization of 72380

Prime factors of 72380 are 2, 5, 7, 11, 47. Prime factorization of 72380 in exponential form is:

72380 = 2² × 5¹ × 7¹ × 11¹ × 47¹

Step-3: Factors of 72364

List of positive integer factors of 72364 that divides 72364 without a remainder.

1, 2, 4, 79, 158, 229, 316, 458, 916, 18091, 36182

Step-4: Factors of 72380

List of positive integer factors of 72380 that divides 72364 without a remainder.

1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 47, 55, 70, 77, 94, 110, 140, 154, 188, 220, 235, 308, 329, 385, 470, 517, 658, 770, 940, 1034, 1316, 1540, 1645, 2068, 2585, 3290, 3619, 5170, 6580, 7238, 10340, 14476, 18095, 36190

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72364 and 72380. The biggest common factor number is the GCF number.
So the greatest common factor 72364 and 72380 is 4.

Also check out the Least Common Multiple of 72364 and 72380