What is the Greatest Common Factor of 20571 and 20581?

Greatest common factor (GCF) of 20571 and 20581 is 1.

GCF(20571,20581) = 1

We will now calculate the prime factors of 20571 and 20581, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20571 and 20581.

How to find the GCF of 20571 and 20581?

We will first find the prime factorization of 20571 and 20581. After we will calculate the factors of 20571 and 20581 and find the biggest common factor number .

Step-1: Prime Factorization of 20571

Prime factors of 20571 are 3, 6857. Prime factorization of 20571 in exponential form is:

20571 = 3¹ × 6857¹

Step-2: Prime Factorization of 20581

Prime factors of 20581 are 11, 1871. Prime factorization of 20581 in exponential form is:

20581 = 11¹ × 1871¹

Step-3: Factors of 20571

List of positive integer factors of 20571 that divides 20571 without a remainder.

1, 3, 6857

Step-4: Factors of 20581

List of positive integer factors of 20581 that divides 20571 without a remainder.

1, 11, 1871

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20571 and 20581. The biggest common factor number is the GCF number.
So the greatest common factor 20571 and 20581 is 1.

Also check out the Least Common Multiple of 20571 and 20581