What is the Greatest Common Factor of 571 and 581?

Greatest common factor (GCF) of 571 and 581 is 1.

GCF(571,581) = 1

We will now calculate the prime factors of 571 and 581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 571 and 581.

How to find the GCF of 571 and 581?

We will first find the prime factorization of 571 and 581. After we will calculate the factors of 571 and 581 and find the biggest common factor number .

Step-1: Prime Factorization of 571

Prime factors of 571 are 571. Prime factorization of 571 in exponential form is:

571 = 571¹

Step-2: Prime Factorization of 581

Prime factors of 581 are 7, 83. Prime factorization of 581 in exponential form is:

581 = 7¹ × 83¹

Step-3: Factors of 571

List of positive integer factors of 571 that divides 571 without a remainder.

Step-4: Factors of 581

List of positive integer factors of 581 that divides 571 without a remainder.

1, 7, 83

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 571 and 581. The biggest common factor number is the GCF number.
So the greatest common factor 571 and 581 is 1.

Also check out the Least Common Multiple of 571 and 581