What is the Greatest Common Factor of 13623 and 13641?

Greatest common factor (GCF) of 13623 and 13641 is 3.

GCF(13623,13641) = 3

We will now calculate the prime factors of 13623 and 13641, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13623 and 13641.

How to find the GCF of 13623 and 13641?

We will first find the prime factorization of 13623 and 13641. After we will calculate the factors of 13623 and 13641 and find the biggest common factor number .

Step-1: Prime Factorization of 13623

Prime factors of 13623 are 3, 19, 239. Prime factorization of 13623 in exponential form is:

13623 = 3¹ × 19¹ × 239¹

Step-2: Prime Factorization of 13641

Prime factors of 13641 are 3, 4547. Prime factorization of 13641 in exponential form is:

13641 = 3¹ × 4547¹

Step-3: Factors of 13623

List of positive integer factors of 13623 that divides 13623 without a remainder.

1, 3, 19, 57, 239, 717, 4541

Step-4: Factors of 13641

List of positive integer factors of 13641 that divides 13623 without a remainder.

1, 3, 4547

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13623 and 13641. The biggest common factor number is the GCF number.
So the greatest common factor 13623 and 13641 is 3.

Also check out the Least Common Multiple of 13623 and 13641