What is the Greatest Common Factor of 64615 and 64620?

Greatest common factor (GCF) of 64615 and 64620 is 5.

GCF(64615,64620) = 5

We will now calculate the prime factors of 64615 and 64620, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64615 and 64620.

How to find the GCF of 64615 and 64620?

We will first find the prime factorization of 64615 and 64620. After we will calculate the factors of 64615 and 64620 and find the biggest common factor number .

Step-1: Prime Factorization of 64615

Prime factors of 64615 are 5, 12923. Prime factorization of 64615 in exponential form is:

64615 = 5¹ × 12923¹

Step-2: Prime Factorization of 64620

Prime factors of 64620 are 2, 3, 5, 359. Prime factorization of 64620 in exponential form is:

64620 = 2² × 3² × 5¹ × 359¹

Step-3: Factors of 64615

List of positive integer factors of 64615 that divides 64615 without a remainder.

1, 5, 12923

Step-4: Factors of 64620

List of positive integer factors of 64620 that divides 64615 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 1077, 1436, 1795, 2154, 3231, 3590, 4308, 5385, 6462, 7180, 10770, 12924, 16155, 21540, 32310

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64615 and 64620. The biggest common factor number is the GCF number.
So the greatest common factor 64615 and 64620 is 5.

Also check out the Least Common Multiple of 64615 and 64620