What is the Greatest Common Factor of 17656 and 17664?

Greatest common factor (GCF) of 17656 and 17664 is 8.

GCF(17656,17664) = 8

We will now calculate the prime factors of 17656 and 17664, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 17656 and 17664.

How to find the GCF of 17656 and 17664?

We will first find the prime factorization of 17656 and 17664. After we will calculate the factors of 17656 and 17664 and find the biggest common factor number .

Step-1: Prime Factorization of 17656

Prime factors of 17656 are 2, 2207. Prime factorization of 17656 in exponential form is:

17656 = 2³ × 2207¹

Step-2: Prime Factorization of 17664

Prime factors of 17664 are 2, 3, 23. Prime factorization of 17664 in exponential form is:

17664 = 2⁸ × 3¹ × 23¹

Step-3: Factors of 17656

List of positive integer factors of 17656 that divides 17656 without a remainder.

1, 2, 4, 8, 2207, 4414, 8828

Step-4: Factors of 17664

List of positive integer factors of 17664 that divides 17656 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1472, 2208, 2944, 4416, 5888, 8832

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 17656 and 17664. The biggest common factor number is the GCF number.
So the greatest common factor 17656 and 17664 is 8.

Also check out the Least Common Multiple of 17656 and 17664