What is the Greatest Common Factor of 16640 and 16646?

Greatest common factor (GCF) of 16640 and 16646 is 2.

GCF(16640,16646) = 2

We will now calculate the prime factors of 16640 and 16646, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16640 and 16646.

How to find the GCF of 16640 and 16646?

We will first find the prime factorization of 16640 and 16646. After we will calculate the factors of 16640 and 16646 and find the biggest common factor number .

Step-1: Prime Factorization of 16640

Prime factors of 16640 are 2, 5, 13. Prime factorization of 16640 in exponential form is:

16640 = 2⁸ × 5¹ × 13¹

Step-2: Prime Factorization of 16646

Prime factors of 16646 are 2, 7, 29, 41. Prime factorization of 16646 in exponential form is:

16646 = 2¹ × 7¹ × 29¹ × 41¹

Step-3: Factors of 16640

List of positive integer factors of 16640 that divides 16640 without a remainder.

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 8320

Step-4: Factors of 16646

List of positive integer factors of 16646 that divides 16640 without a remainder.

1, 2, 7, 14, 29, 41, 58, 82, 203, 287, 406, 574, 1189, 2378, 8323

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16640 and 16646. The biggest common factor number is the GCF number.
So the greatest common factor 16640 and 16646 is 2.

Also check out the Least Common Multiple of 16640 and 16646