What is the Greatest Common Factor of 61623 and 61641?

Greatest common factor (GCF) of 61623 and 61641 is 9.

GCF(61623,61641) = 9

We will now calculate the prime factors of 61623 and 61641, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 61623 and 61641.

How to find the GCF of 61623 and 61641?

We will first find the prime factorization of 61623 and 61641. After we will calculate the factors of 61623 and 61641 and find the biggest common factor number .

Step-1: Prime Factorization of 61623

Prime factors of 61623 are 3, 41, 167. Prime factorization of 61623 in exponential form is:

61623 = 3² × 41¹ × 167¹

Step-2: Prime Factorization of 61641

Prime factors of 61641 are 3, 761. Prime factorization of 61641 in exponential form is:

61641 = 3⁴ × 761¹

Step-3: Factors of 61623

List of positive integer factors of 61623 that divides 61623 without a remainder.

1, 3, 9, 41, 123, 167, 369, 501, 1503, 6847, 20541

Step-4: Factors of 61641

List of positive integer factors of 61641 that divides 61623 without a remainder.

1, 3, 9, 27, 81, 761, 2283, 6849, 20547

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 61623 and 61641. The biggest common factor number is the GCF number.
So the greatest common factor 61623 and 61641 is 9.

Also check out the Least Common Multiple of 61623 and 61641