What is the Greatest Common Factor of 3143 and 3157?

Greatest common factor (GCF) of 3143 and 3157 is 7.

GCF(3143,3157) = 7

We will now calculate the prime factors of 3143 and 3157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3143 and 3157.

How to find the GCF of 3143 and 3157?

We will first find the prime factorization of 3143 and 3157. After we will calculate the factors of 3143 and 3157 and find the biggest common factor number .

Step-1: Prime Factorization of 3143

Prime factors of 3143 are 7, 449. Prime factorization of 3143 in exponential form is:

3143 = 7¹ × 449¹

Step-2: Prime Factorization of 3157

Prime factors of 3157 are 7, 11, 41. Prime factorization of 3157 in exponential form is:

3157 = 7¹ × 11¹ × 41¹

Step-3: Factors of 3143

List of positive integer factors of 3143 that divides 3143 without a remainder.

1, 7, 449

Step-4: Factors of 3157

List of positive integer factors of 3157 that divides 3143 without a remainder.

1, 7, 11, 41, 77, 287, 451

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3143 and 3157. The biggest common factor number is the GCF number.
So the greatest common factor 3143 and 3157 is 7.

Also check out the Least Common Multiple of 3143 and 3157