What is the Greatest Common Factor of 2540 and 2551?

Greatest common factor (GCF) of 2540 and 2551 is 1.

GCF(2540,2551) = 1

We will now calculate the prime factors of 2540 and 2551, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2540 and 2551.

How to find the GCF of 2540 and 2551?

We will first find the prime factorization of 2540 and 2551. After we will calculate the factors of 2540 and 2551 and find the biggest common factor number .

Step-1: Prime Factorization of 2540

Prime factors of 2540 are 2, 5, 127. Prime factorization of 2540 in exponential form is:

2540 = 2² × 5¹ × 127¹

Step-2: Prime Factorization of 2551

Prime factors of 2551 are 2551. Prime factorization of 2551 in exponential form is:

2551 = 2551¹

Step-3: Factors of 2540

List of positive integer factors of 2540 that divides 2540 without a remainder.

1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270

Step-4: Factors of 2551

List of positive integer factors of 2551 that divides 2540 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2540 and 2551. The biggest common factor number is the GCF number.
So the greatest common factor 2540 and 2551 is 1.

Also check out the Least Common Multiple of 2540 and 2551