What is the Greatest Common Factor of 2572 and 2581?

Greatest common factor (GCF) of 2572 and 2581 is 1.

GCF(2572,2581) = 1

We will now calculate the prime factors of 2572 and 2581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 2572 and 2581.

How to find the GCF of 2572 and 2581?

We will first find the prime factorization of 2572 and 2581. After we will calculate the factors of 2572 and 2581 and find the biggest common factor number .

Step-1: Prime Factorization of 2572

Prime factors of 2572 are 2, 643. Prime factorization of 2572 in exponential form is:

2572 = 2² × 643¹

Step-2: Prime Factorization of 2581

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

2581 = 29¹ × 89¹

Step-3: Factors of 2572

List of positive integer factors of 2572 that divides 2572 without a remainder.

1, 2, 4, 643, 1286

Step-4: Factors of 2581

List of positive integer factors of 2581 that divides 2572 without a remainder.

1, 29, 89

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 2572 and 2581. The biggest common factor number is the GCF number.
So the greatest common factor 2572 and 2581 is 1.

Also check out the Least Common Multiple of 2572 and 2581