What is the Greatest Common Factor of 68121 and 68130?

Greatest common factor (GCF) of 68121 and 68130 is 9.

GCF(68121,68130) = 9

We will now calculate the prime factors of 68121 and 68130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 68121 and 68130.

How to find the GCF of 68121 and 68130?

We will first find the prime factorization of 68121 and 68130. After we will calculate the factors of 68121 and 68130 and find the biggest common factor number .

Step-1: Prime Factorization of 68121

Prime factors of 68121 are 3, 29. Prime factorization of 68121 in exponential form is:

68121 = 3⁴ × 29²

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 68121

List of positive integer factors of 68121 that divides 68121 without a remainder.

1, 3, 9, 27, 29, 81, 87, 261, 783, 841, 2349, 2523, 7569, 22707

Step-4: Factors of 68130

List of positive integer factors of 68130 that divides 68121 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 68121 and 68130. The biggest common factor number is the GCF number.
So the greatest common factor 68121 and 68130 is 9.

Also check out the Least Common Multiple of 68121 and 68130