What is the Greatest Common Factor of 13287 and 13305?

Greatest common factor (GCF) of 13287 and 13305 is 3.

GCF(13287,13305) = 3

We will now calculate the prime factors of 13287 and 13305, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 13287 and 13305.

How to find the GCF of 13287 and 13305?

We will first find the prime factorization of 13287 and 13305. After we will calculate the factors of 13287 and 13305 and find the biggest common factor number .

Step-1: Prime Factorization of 13287

Prime factors of 13287 are 3, 43, 103. Prime factorization of 13287 in exponential form is:

13287 = 3¹ × 43¹ × 103¹

Step-2: Prime Factorization of 13305

Prime factors of 13305 are 3, 5, 887. Prime factorization of 13305 in exponential form is:

13305 = 3¹ × 5¹ × 887¹

Step-3: Factors of 13287

List of positive integer factors of 13287 that divides 13287 without a remainder.

1, 3, 43, 103, 129, 309, 4429

Step-4: Factors of 13305

List of positive integer factors of 13305 that divides 13287 without a remainder.

1, 3, 5, 15, 887, 2661, 4435

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 13287 and 13305. The biggest common factor number is the GCF number.
So the greatest common factor 13287 and 13305 is 3.

Also check out the Least Common Multiple of 13287 and 13305