What is the Greatest Common Factor of 16641 and 16656?

Greatest common factor (GCF) of 16641 and 16656 is 3.

GCF(16641,16656) = 3

We will now calculate the prime factors of 16641 and 16656, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16641 and 16656.

How to find the GCF of 16641 and 16656?

We will first find the prime factorization of 16641 and 16656. After we will calculate the factors of 16641 and 16656 and find the biggest common factor number .

Step-1: Prime Factorization of 16641

Prime factors of 16641 are 3, 43. Prime factorization of 16641 in exponential form is:

16641 = 3² × 43²

Step-2: Prime Factorization of 16656

Prime factors of 16656 are 2, 3, 347. Prime factorization of 16656 in exponential form is:

16656 = 2⁴ × 3¹ × 347¹

Step-3: Factors of 16641

List of positive integer factors of 16641 that divides 16641 without a remainder.

1, 3, 9, 43, 129, 387, 1849, 5547

Step-4: Factors of 16656

List of positive integer factors of 16656 that divides 16641 without a remainder.

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 347, 694, 1041, 1388, 2082, 2776, 4164, 5552, 8328

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16641 and 16656. The biggest common factor number is the GCF number.
So the greatest common factor 16641 and 16656 is 3.

Also check out the Least Common Multiple of 16641 and 16656