What is the Greatest Common Factor of 64656 and 64665?

Greatest common factor (GCF) of 64656 and 64665 is 9.

GCF(64656,64665) = 9

We will now calculate the prime factors of 64656 and 64665, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64656 and 64665.

How to find the GCF of 64656 and 64665?

We will first find the prime factorization of 64656 and 64665. After we will calculate the factors of 64656 and 64665 and find the biggest common factor number .

Step-1: Prime Factorization of 64656

Prime factors of 64656 are 2, 3, 449. Prime factorization of 64656 in exponential form is:

64656 = 2⁴ × 3² × 449¹

Step-2: Prime Factorization of 64665

Prime factors of 64665 are 3, 5, 479. Prime factorization of 64665 in exponential form is:

64665 = 3³ × 5¹ × 479¹

Step-3: Factors of 64656

List of positive integer factors of 64656 that divides 64656 without a remainder.

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 449, 898, 1347, 1796, 2694, 3592, 4041, 5388, 7184, 8082, 10776, 16164, 21552, 32328

Step-4: Factors of 64665

List of positive integer factors of 64665 that divides 64656 without a remainder.

1, 3, 5, 9, 15, 27, 45, 135, 479, 1437, 2395, 4311, 7185, 12933, 21555

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64656 and 64665. The biggest common factor number is the GCF number.
So the greatest common factor 64656 and 64665 is 9.

Also check out the Least Common Multiple of 64656 and 64665