What is the Greatest Common Factor of 13551 and 13563?

Greatest common factor (GCF) of 13551 and 13563 is 3.

GCF(13551,13563) = 3

We will now calculate the prime factors of 13551 and 13563, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13551 and 13563.

How to find the GCF of 13551 and 13563?

We will first find the prime factorization of 13551 and 13563. After we will calculate the factors of 13551 and 13563 and find the biggest common factor number .

Step-1: Prime Factorization of 13551

Prime factors of 13551 are 3, 4517. Prime factorization of 13551 in exponential form is:

13551 = 3¹ × 4517¹

Step-2: Prime Factorization of 13563

Prime factors of 13563 are 3, 11, 137. Prime factorization of 13563 in exponential form is:

13563 = 3² × 11¹ × 137¹

Step-3: Factors of 13551

List of positive integer factors of 13551 that divides 13551 without a remainder.

1, 3, 4517

Step-4: Factors of 13563

List of positive integer factors of 13563 that divides 13551 without a remainder.

1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 4521

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13551 and 13563. The biggest common factor number is the GCF number.
So the greatest common factor 13551 and 13563 is 3.

Also check out the Least Common Multiple of 13551 and 13563