What is the Greatest Common Factor of 38139 and 38157?

Greatest common factor (GCF) of 38139 and 38157 is 3.

GCF(38139,38157) = 3

We will now calculate the prime factors of 38139 and 38157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38139 and 38157.

How to find the GCF of 38139 and 38157?

We will first find the prime factorization of 38139 and 38157. After we will calculate the factors of 38139 and 38157 and find the biggest common factor number .

Step-1: Prime Factorization of 38139

Prime factors of 38139 are 3, 12713. Prime factorization of 38139 in exponential form is:

38139 = 3¹ × 12713¹

Step-2: Prime Factorization of 38157

Prime factors of 38157 are 3, 7, 23, 79. Prime factorization of 38157 in exponential form is:

38157 = 3¹ × 7¹ × 23¹ × 79¹

Step-3: Factors of 38139

List of positive integer factors of 38139 that divides 38139 without a remainder.

1, 3, 12713

Step-4: Factors of 38157

List of positive integer factors of 38157 that divides 38139 without a remainder.

1, 3, 7, 21, 23, 69, 79, 161, 237, 483, 553, 1659, 1817, 5451, 12719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38139 and 38157. The biggest common factor number is the GCF number.
So the greatest common factor 38139 and 38157 is 3.

Also check out the Least Common Multiple of 38139 and 38157