What is the Greatest Common Factor of 13257 and 13272?

Greatest common factor (GCF) of 13257 and 13272 is 3.

GCF(13257,13272) = 3

We will now calculate the prime factors of 13257 and 13272, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13257 and 13272.

How to find the GCF of 13257 and 13272?

We will first find the prime factorization of 13257 and 13272. After we will calculate the factors of 13257 and 13272 and find the biggest common factor number .

Step-1: Prime Factorization of 13257

Prime factors of 13257 are 3, 491. Prime factorization of 13257 in exponential form is:

13257 = 3³ × 491¹

Step-2: Prime Factorization of 13272

Prime factors of 13272 are 2, 3, 7, 79. Prime factorization of 13272 in exponential form is:

13272 = 2³ × 3¹ × 7¹ × 79¹

Step-3: Factors of 13257

List of positive integer factors of 13257 that divides 13257 without a remainder.

1, 3, 9, 27, 491, 1473, 4419

Step-4: Factors of 13272

List of positive integer factors of 13272 that divides 13257 without a remainder.

1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1659, 1896, 2212, 3318, 4424, 6636

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13257 and 13272. The biggest common factor number is the GCF number.
So the greatest common factor 13257 and 13272 is 3.

Also check out the Least Common Multiple of 13257 and 13272