What is the Greatest Common Factor of 12603 and 12615?

Greatest common factor (GCF) of 12603 and 12615 is 3.

GCF(12603,12615) = 3

We will now calculate the prime factors of 12603 and 12615, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12603 and 12615.

How to find the GCF of 12603 and 12615?

We will first find the prime factorization of 12603 and 12615. After we will calculate the factors of 12603 and 12615 and find the biggest common factor number .

Step-1: Prime Factorization of 12603

Prime factors of 12603 are 3, 4201. Prime factorization of 12603 in exponential form is:

12603 = 3¹ × 4201¹

Step-2: Prime Factorization of 12615

Prime factors of 12615 are 3, 5, 29. Prime factorization of 12615 in exponential form is:

12615 = 3¹ × 5¹ × 29²

Step-3: Factors of 12603

List of positive integer factors of 12603 that divides 12603 without a remainder.

1, 3, 4201

Step-4: Factors of 12615

List of positive integer factors of 12615 that divides 12603 without a remainder.

1, 3, 5, 15, 29, 87, 145, 435, 841, 2523, 4205

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12603 and 12615. The biggest common factor number is the GCF number.
So the greatest common factor 12603 and 12615 is 3.

Also check out the Least Common Multiple of 12603 and 12615