What is the Greatest Common Factor of 5142 and 5157?

Greatest common factor (GCF) of 5142 and 5157 is 3.

GCF(5142,5157) = 3

We will now calculate the prime factors of 5142 and 5157, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 5142 and 5157.

How to find the GCF of 5142 and 5157?

We will first find the prime factorization of 5142 and 5157. After we will calculate the factors of 5142 and 5157 and find the biggest common factor number .

Step-1: Prime Factorization of 5142

Prime factors of 5142 are 2, 3, 857. Prime factorization of 5142 in exponential form is:

5142 = 2¹ × 3¹ × 857¹

Step-2: Prime Factorization of 5157

Prime factors of 5157 are 3, 191. Prime factorization of 5157 in exponential form is:

5157 = 3³ × 191¹

Step-3: Factors of 5142

List of positive integer factors of 5142 that divides 5142 without a remainder.

1, 2, 3, 6, 857, 1714, 2571

Step-4: Factors of 5157

List of positive integer factors of 5157 that divides 5142 without a remainder.

1, 3, 9, 27, 191, 573, 1719

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 5142 and 5157. The biggest common factor number is the GCF number.
So the greatest common factor 5142 and 5157 is 3.

Also check out the Least Common Multiple of 5142 and 5157