What is the Greatest Common Factor of 38157 and 38171?

Greatest common factor (GCF) of 38157 and 38171 is 7.

GCF(38157,38171) = 7

We will now calculate the prime factors of 38157 and 38171, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 38157 and 38171.

How to find the GCF of 38157 and 38171?

We will first find the prime factorization of 38157 and 38171. After we will calculate the factors of 38157 and 38171 and find the biggest common factor number .

Step-1: 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-2: Prime Factorization of 38171

Prime factors of 38171 are 7, 19, 41. Prime factorization of 38171 in exponential form is:

38171 = 7² × 19¹ × 41¹

Step-3: Factors of 38157

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

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

Step-4: Factors of 38171

List of positive integer factors of 38171 that divides 38157 without a remainder.

1, 7, 19, 41, 49, 133, 287, 779, 931, 2009, 5453

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 38157 and 38171. The biggest common factor number is the GCF number.
So the greatest common factor 38157 and 38171 is 7.

Also check out the Least Common Multiple of 38157 and 38171