What is the Greatest Common Factor of 68115 and 68130?

Greatest common factor (GCF) of 68115 and 68130 is 15.

GCF(68115,68130) = 15

We will now calculate the prime factors of 68115 and 68130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68115 and 68130.

How to find the GCF of 68115 and 68130?

We will first find the prime factorization of 68115 and 68130. After we will calculate the factors of 68115 and 68130 and find the biggest common factor number .

Step-1: Prime Factorization of 68115

Prime factors of 68115 are 3, 5, 19, 239. Prime factorization of 68115 in exponential form is:

68115 = 3¹ × 5¹ × 19¹ × 239¹

Step-2: Prime Factorization of 68130

Prime factors of 68130 are 2, 3, 5, 757. Prime factorization of 68130 in exponential form is:

68130 = 2¹ × 3² × 5¹ × 757¹

Step-3: Factors of 68115

List of positive integer factors of 68115 that divides 68115 without a remainder.

1, 3, 5, 15, 19, 57, 95, 239, 285, 717, 1195, 3585, 4541, 13623, 22705

Step-4: Factors of 68130

List of positive integer factors of 68130 that divides 68115 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 757, 1514, 2271, 3785, 4542, 6813, 7570, 11355, 13626, 22710, 34065

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 68115 and 68130. The biggest common factor number is the GCF number.
So the greatest common factor 68115 and 68130 is 15.

Also check out the Least Common Multiple of 68115 and 68130