What is the Greatest Common Factor of 7139 and 7157?

Greatest common factor (GCF) of 7139 and 7157 is 1.

GCF(7139,7157) = 1

We will now calculate the prime factors of 7139 and 7157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 7139 and 7157.

How to find the GCF of 7139 and 7157?

We will first find the prime factorization of 7139 and 7157. After we will calculate the factors of 7139 and 7157 and find the biggest common factor number .

Step-1: Prime Factorization of 7139

Prime factors of 7139 are 11, 59. Prime factorization of 7139 in exponential form is:

7139 = 11² × 59¹

Step-2: Prime Factorization of 7157

Prime factors of 7157 are 17, 421. Prime factorization of 7157 in exponential form is:

7157 = 17¹ × 421¹

Step-3: Factors of 7139

List of positive integer factors of 7139 that divides 7139 without a remainder.

1, 11, 59, 121, 649

Step-4: Factors of 7157

List of positive integer factors of 7157 that divides 7139 without a remainder.

1, 17, 421

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 7139 and 7157. The biggest common factor number is the GCF number.
So the greatest common factor 7139 and 7157 is 1.

Also check out the Least Common Multiple of 7139 and 7157