What is the Greatest Common Factor of 7515 and 7530?

Greatest common factor (GCF) of 7515 and 7530 is 15.

GCF(7515,7530) = 15

We will now calculate the prime factors of 7515 and 7530, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7515 and 7530.

How to find the GCF of 7515 and 7530?

We will first find the prime factorization of 7515 and 7530. After we will calculate the factors of 7515 and 7530 and find the biggest common factor number .

Step-1: Prime Factorization of 7515

Prime factors of 7515 are 3, 5, 167. Prime factorization of 7515 in exponential form is:

7515 = 3² × 5¹ × 167¹

Step-2: Prime Factorization of 7530

Prime factors of 7530 are 2, 3, 5, 251. Prime factorization of 7530 in exponential form is:

7530 = 2¹ × 3¹ × 5¹ × 251¹

Step-3: Factors of 7515

List of positive integer factors of 7515 that divides 7515 without a remainder.

1, 3, 5, 9, 15, 45, 167, 501, 835, 1503, 2505

Step-4: Factors of 7530

List of positive integer factors of 7530 that divides 7515 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 251, 502, 753, 1255, 1506, 2510, 3765

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7515 and 7530. The biggest common factor number is the GCF number.
So the greatest common factor 7515 and 7530 is 15.

Also check out the Least Common Multiple of 7515 and 7530