What is the Greatest Common Factor of 20021 and 20039?

Greatest common factor (GCF) of 20021 and 20039 is 1.

GCF(20021,20039) = 1

We will now calculate the prime factors of 20021 and 20039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 20021 and 20039.

How to find the GCF of 20021 and 20039?

We will first find the prime factorization of 20021 and 20039. After we will calculate the factors of 20021 and 20039 and find the biggest common factor number .

Step-1: Prime Factorization of 20021

Prime factors of 20021 are 20021. Prime factorization of 20021 in exponential form is:

20021 = 20021¹

Step-2: Prime Factorization of 20039

Prime factors of 20039 are 29, 691. Prime factorization of 20039 in exponential form is:

20039 = 29¹ × 691¹

Step-3: Factors of 20021

List of positive integer factors of 20021 that divides 20021 without a remainder.

Step-4: Factors of 20039

List of positive integer factors of 20039 that divides 20021 without a remainder.

1, 29, 691

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 20021 and 20039. The biggest common factor number is the GCF number.
So the greatest common factor 20021 and 20039 is 1.

Also check out the Least Common Multiple of 20021 and 20039