What is the Greatest Common Factor of 2581 and 2587?

Greatest common factor (GCF) of 2581 and 2587 is 1.

GCF(2581,2587) = 1

We will now calculate the prime factors of 2581 and 2587, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2581 and 2587.

How to find the GCF of 2581 and 2587?

We will first find the prime factorization of 2581 and 2587. After we will calculate the factors of 2581 and 2587 and find the biggest common factor number .

Step-1: Prime Factorization of 2581

Prime factors of 2581 are 29, 89. Prime factorization of 2581 in exponential form is:

2581 = 29¹ × 89¹

Step-2: Prime Factorization of 2587

Prime factors of 2587 are 13, 199. Prime factorization of 2587 in exponential form is:

2587 = 13¹ × 199¹

Step-3: Factors of 2581

List of positive integer factors of 2581 that divides 2581 without a remainder.

1, 29, 89

Step-4: Factors of 2587

List of positive integer factors of 2587 that divides 2581 without a remainder.

1, 13, 199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2581 and 2587. The biggest common factor number is the GCF number.
So the greatest common factor 2581 and 2587 is 1.

Also check out the Least Common Multiple of 2581 and 2587