What is the Greatest Common Factor of 64620 and 64630?

Greatest common factor (GCF) of 64620 and 64630 is 10.

GCF(64620,64630) = 10

We will now calculate the prime factors of 64620 and 64630, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64620 and 64630.

How to find the GCF of 64620 and 64630?

We will first find the prime factorization of 64620 and 64630. After we will calculate the factors of 64620 and 64630 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 64630

Prime factors of 64630 are 2, 5, 23, 281. Prime factorization of 64630 in exponential form is:

64630 = 2¹ × 5¹ × 23¹ × 281¹

Step-3: Factors of 64620

List of positive integer factors of 64620 that divides 64620 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

Step-4: Factors of 64630

List of positive integer factors of 64630 that divides 64620 without a remainder.

1, 2, 5, 10, 23, 46, 115, 230, 281, 562, 1405, 2810, 6463, 12926, 32315

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64620 and 64630. The biggest common factor number is the GCF number.
So the greatest common factor 64620 and 64630 is 10.

Also check out the Least Common Multiple of 64620 and 64630