What is the Greatest Common Factor of 64566 and 64580?

Greatest common factor (GCF) of 64566 and 64580 is 2.

GCF(64566,64580) = 2

We will now calculate the prime factors of 64566 and 64580, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 64566 and 64580.

How to find the GCF of 64566 and 64580?

We will first find the prime factorization of 64566 and 64580. After we will calculate the factors of 64566 and 64580 and find the biggest common factor number .

Step-1: Prime Factorization of 64566

Prime factors of 64566 are 2, 3, 17, 211. Prime factorization of 64566 in exponential form is:

64566 = 2¹ × 3² × 17¹ × 211¹

Step-2: Prime Factorization of 64580

Prime factors of 64580 are 2, 5, 3229. Prime factorization of 64580 in exponential form is:

64580 = 2² × 5¹ × 3229¹

Step-3: Factors of 64566

List of positive integer factors of 64566 that divides 64566 without a remainder.

1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 211, 306, 422, 633, 1266, 1899, 3587, 3798, 7174, 10761, 21522, 32283

Step-4: Factors of 64580

List of positive integer factors of 64580 that divides 64566 without a remainder.

1, 2, 4, 5, 10, 20, 3229, 6458, 12916, 16145, 32290

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 64566 and 64580. The biggest common factor number is the GCF number.
So the greatest common factor 64566 and 64580 is 2.

Also check out the Least Common Multiple of 64566 and 64580