What is the Greatest Common Factor of 15015 and 15030?

Greatest common factor (GCF) of 15015 and 15030 is 15.

GCF(15015,15030) = 15

We will now calculate the prime factors of 15015 and 15030, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 15015 and 15030.

How to find the GCF of 15015 and 15030?

We will first find the prime factorization of 15015 and 15030. After we will calculate the factors of 15015 and 15030 and find the biggest common factor number .

Step-1: Prime Factorization of 15015

Prime factors of 15015 are 3, 5, 7, 11, 13. Prime factorization of 15015 in exponential form is:

15015 = 3¹ × 5¹ × 7¹ × 11¹ × 13¹

Step-2: Prime Factorization of 15030

Prime factors of 15030 are 2, 3, 5, 167. Prime factorization of 15030 in exponential form is:

15030 = 2¹ × 3² × 5¹ × 167¹

Step-3: Factors of 15015

List of positive integer factors of 15015 that divides 15015 without a remainder.

1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 2145, 3003, 5005

Step-4: Factors of 15030

List of positive integer factors of 15030 that divides 15015 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1503, 1670, 2505, 3006, 5010, 7515

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 15015 and 15030. The biggest common factor number is the GCF number.
So the greatest common factor 15015 and 15030 is 15.

Also check out the Least Common Multiple of 15015 and 15030