What is the Greatest Common Factor of 16641 and 16645?

Greatest common factor (GCF) of 16641 and 16645 is 1.

GCF(16641,16645) = 1

We will now calculate the prime factors of 16641 and 16645, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16641 and 16645.

How to find the GCF of 16641 and 16645?

We will first find the prime factorization of 16641 and 16645. After we will calculate the factors of 16641 and 16645 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 16645

Prime factors of 16645 are 5, 3329. Prime factorization of 16645 in exponential form is:

16645 = 5¹ × 3329¹

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 16645

List of positive integer factors of 16645 that divides 16641 without a remainder.

1, 5, 3329

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16641 and 16645. The biggest common factor number is the GCF number.
So the greatest common factor 16641 and 16645 is 1.

Also check out the Least Common Multiple of 16641 and 16645