What is the Greatest Common Factor of 71139 and 71157?

Greatest common factor (GCF) of 71139 and 71157 is 3.

GCF(71139,71157) = 3

We will now calculate the prime factors of 71139 and 71157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 71139 and 71157.

How to find the GCF of 71139 and 71157?

We will first find the prime factorization of 71139 and 71157. After we will calculate the factors of 71139 and 71157 and find the biggest common factor number .

Step-1: Prime Factorization of 71139

Prime factors of 71139 are 3, 23, 1031. Prime factorization of 71139 in exponential form is:

71139 = 3¹ × 23¹ × 1031¹

Step-2: Prime Factorization of 71157

Prime factors of 71157 are 3, 23719. Prime factorization of 71157 in exponential form is:

71157 = 3¹ × 23719¹

Step-3: Factors of 71139

List of positive integer factors of 71139 that divides 71139 without a remainder.

1, 3, 23, 69, 1031, 3093, 23713

Step-4: Factors of 71157

List of positive integer factors of 71157 that divides 71139 without a remainder.

1, 3, 23719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 71139 and 71157. The biggest common factor number is the GCF number.
So the greatest common factor 71139 and 71157 is 3.

Also check out the Least Common Multiple of 71139 and 71157