What is the Greatest Common Factor of 13605 and 13623?

Greatest common factor (GCF) of 13605 and 13623 is 3.

GCF(13605,13623) = 3

We will now calculate the prime factors of 13605 and 13623, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13605 and 13623.

How to find the GCF of 13605 and 13623?

We will first find the prime factorization of 13605 and 13623. After we will calculate the factors of 13605 and 13623 and find the biggest common factor number .

Step-1: Prime Factorization of 13605

Prime factors of 13605 are 3, 5, 907. Prime factorization of 13605 in exponential form is:

13605 = 3¹ × 5¹ × 907¹

Step-2: 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-3: Factors of 13605

List of positive integer factors of 13605 that divides 13605 without a remainder.

1, 3, 5, 15, 907, 2721, 4535

Step-4: Factors of 13623

List of positive integer factors of 13623 that divides 13605 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13605 and 13623. The biggest common factor number is the GCF number.
So the greatest common factor 13605 and 13623 is 3.

Also check out the Least Common Multiple of 13605 and 13623