What is the Greatest Common Factor of 2538 and 2557?

Greatest common factor (GCF) of 2538 and 2557 is 1.

GCF(2538,2557) = 1

We will now calculate the prime factors of 2538 and 2557, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2538 and 2557.

How to find the GCF of 2538 and 2557?

We will first find the prime factorization of 2538 and 2557. After we will calculate the factors of 2538 and 2557 and find the biggest common factor number .

Step-1: Prime Factorization of 2538

Prime factors of 2538 are 2, 3, 47. Prime factorization of 2538 in exponential form is:

2538 = 2¹ × 3³ × 47¹

Step-2: Prime Factorization of 2557

Prime factors of 2557 are 2557. Prime factorization of 2557 in exponential form is:

2557 = 2557¹

Step-3: Factors of 2538

List of positive integer factors of 2538 that divides 2538 without a remainder.

1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269

Step-4: Factors of 2557

List of positive integer factors of 2557 that divides 2538 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2538 and 2557. The biggest common factor number is the GCF number.
So the greatest common factor 2538 and 2557 is 1.

Also check out the Least Common Multiple of 2538 and 2557