What is the Greatest Common Factor of 12021 and 12039?

Greatest common factor (GCF) of 12021 and 12039 is 3.

GCF(12021,12039) = 3

We will now calculate the prime factors of 12021 and 12039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12021 and 12039.

How to find the GCF of 12021 and 12039?

We will first find the prime factorization of 12021 and 12039. After we will calculate the factors of 12021 and 12039 and find the biggest common factor number .

Step-1: Prime Factorization of 12021

Prime factors of 12021 are 3, 4007. Prime factorization of 12021 in exponential form is:

12021 = 3¹ × 4007¹

Step-2: Prime Factorization of 12039

Prime factors of 12039 are 3, 4013. Prime factorization of 12039 in exponential form is:

12039 = 3¹ × 4013¹

Step-3: Factors of 12021

List of positive integer factors of 12021 that divides 12021 without a remainder.

1, 3, 4007

Step-4: Factors of 12039

List of positive integer factors of 12039 that divides 12021 without a remainder.

1, 3, 4013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 12021 and 12039. The biggest common factor number is the GCF number.
So the greatest common factor 12021 and 12039 is 3.

Also check out the Least Common Multiple of 12021 and 12039