What is the Greatest Common Factor of 72665 and 72670?

Greatest common factor (GCF) of 72665 and 72670 is 5.

GCF(72665,72670) = 5

We will now calculate the prime factors of 72665 and 72670, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72665 and 72670.

How to find the GCF of 72665 and 72670?

We will first find the prime factorization of 72665 and 72670. After we will calculate the factors of 72665 and 72670 and find the biggest common factor number .

Step-1: Prime Factorization of 72665

Prime factors of 72665 are 5, 14533. Prime factorization of 72665 in exponential form is:

72665 = 5¹ × 14533¹

Step-2: Prime Factorization of 72670

Prime factors of 72670 are 2, 5, 13, 43. Prime factorization of 72670 in exponential form is:

72670 = 2¹ × 5¹ × 13² × 43¹

Step-3: Factors of 72665

List of positive integer factors of 72665 that divides 72665 without a remainder.

1, 5, 14533

Step-4: Factors of 72670

List of positive integer factors of 72670 that divides 72665 without a remainder.

1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 845, 1118, 1690, 2795, 5590, 7267, 14534, 36335

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72665 and 72670. The biggest common factor number is the GCF number.
So the greatest common factor 72665 and 72670 is 5.

Also check out the Least Common Multiple of 72665 and 72670