What is the Greatest Common Factor of 2557 and 2575?

Greatest common factor (GCF) of 2557 and 2575 is 1.

GCF(2557,2575) = 1

We will now calculate the prime factors of 2557 and 2575, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2557 and 2575.

How to find the GCF of 2557 and 2575?

We will first find the prime factorization of 2557 and 2575. After we will calculate the factors of 2557 and 2575 and find the biggest common factor number .

Step-1: Prime Factorization of 2557

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

2557 = 2557¹

Step-2: Prime Factorization of 2575

Prime factors of 2575 are 5, 103. Prime factorization of 2575 in exponential form is:

2575 = 5² × 103¹

Step-3: Factors of 2557

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

Step-4: Factors of 2575

List of positive integer factors of 2575 that divides 2557 without a remainder.

1, 5, 25, 103, 515

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2557 and 2575. The biggest common factor number is the GCF number.
So the greatest common factor 2557 and 2575 is 1.

Also check out the Least Common Multiple of 2557 and 2575