What is the Greatest Common Factor of 38121 and 38130?

Greatest common factor (GCF) of 38121 and 38130 is 3.

GCF(38121,38130) = 3

We will now calculate the prime factors of 38121 and 38130, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38121 and 38130.

How to find the GCF of 38121 and 38130?

We will first find the prime factorization of 38121 and 38130. After we will calculate the factors of 38121 and 38130 and find the biggest common factor number .

Step-1: Prime Factorization of 38121

Prime factors of 38121 are 3, 97, 131. Prime factorization of 38121 in exponential form is:

38121 = 3¹ × 97¹ × 131¹

Step-2: Prime Factorization of 38130

Prime factors of 38130 are 2, 3, 5, 31, 41. Prime factorization of 38130 in exponential form is:

38130 = 2¹ × 3¹ × 5¹ × 31¹ × 41¹

Step-3: Factors of 38121

List of positive integer factors of 38121 that divides 38121 without a remainder.

1, 3, 97, 131, 291, 393, 12707

Step-4: Factors of 38130

List of positive integer factors of 38130 that divides 38121 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 82, 93, 123, 155, 186, 205, 246, 310, 410, 465, 615, 930, 1230, 1271, 2542, 3813, 6355, 7626, 12710, 19065

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38121 and 38130. The biggest common factor number is the GCF number.
So the greatest common factor 38121 and 38130 is 3.

Also check out the Least Common Multiple of 38121 and 38130