What is the Greatest Common Factor of 38355 and 38370?

Greatest common factor (GCF) of 38355 and 38370 is 15.

GCF(38355,38370) = 15

We will now calculate the prime factors of 38355 and 38370, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38355 and 38370.

How to find the GCF of 38355 and 38370?

We will first find the prime factorization of 38355 and 38370. After we will calculate the factors of 38355 and 38370 and find the biggest common factor number .

Step-1: Prime Factorization of 38355

Prime factors of 38355 are 3, 5, 2557. Prime factorization of 38355 in exponential form is:

38355 = 3¹ × 5¹ × 2557¹

Step-2: Prime Factorization of 38370

Prime factors of 38370 are 2, 3, 5, 1279. Prime factorization of 38370 in exponential form is:

38370 = 2¹ × 3¹ × 5¹ × 1279¹

Step-3: Factors of 38355

List of positive integer factors of 38355 that divides 38355 without a remainder.

1, 3, 5, 15, 2557, 7671, 12785

Step-4: Factors of 38370

List of positive integer factors of 38370 that divides 38355 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 1279, 2558, 3837, 6395, 7674, 12790, 19185

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38355 and 38370. The biggest common factor number is the GCF number.
So the greatest common factor 38355 and 38370 is 15.

Also check out the Least Common Multiple of 38355 and 38370