What is the Greatest Common Factor of 12987 and 13003?

Greatest common factor (GCF) of 12987 and 13003 is 1.

GCF(12987,13003) = 1

We will now calculate the prime factors of 12987 and 13003, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12987 and 13003.

How to find the GCF of 12987 and 13003?

We will first find the prime factorization of 12987 and 13003. After we will calculate the factors of 12987 and 13003 and find the biggest common factor number .

Step-1: Prime Factorization of 12987

Prime factors of 12987 are 3, 13, 37. Prime factorization of 12987 in exponential form is:

12987 = 3³ × 13¹ × 37¹

Step-2: Prime Factorization of 13003

Prime factors of 13003 are 13003. Prime factorization of 13003 in exponential form is:

13003 = 13003¹

Step-3: Factors of 12987

List of positive integer factors of 12987 that divides 12987 without a remainder.

1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 481, 999, 1443, 4329

Step-4: Factors of 13003

List of positive integer factors of 13003 that divides 12987 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12987 and 13003. The biggest common factor number is the GCF number.
So the greatest common factor 12987 and 13003 is 1.

Also check out the Least Common Multiple of 12987 and 13003