What is the Greatest Common Factor of 39012 and 39021?

Greatest common factor (GCF) of 39012 and 39021 is 3.

GCF(39012,39021) = 3

We will now calculate the prime factors of 39012 and 39021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 39012 and 39021.

How to find the GCF of 39012 and 39021?

We will first find the prime factorization of 39012 and 39021. After we will calculate the factors of 39012 and 39021 and find the biggest common factor number .

Step-1: Prime Factorization of 39012

Prime factors of 39012 are 2, 3, 3251. Prime factorization of 39012 in exponential form is:

39012 = 2² × 3¹ × 3251¹

Step-2: Prime Factorization of 39021

Prime factors of 39021 are 3, 13007. Prime factorization of 39021 in exponential form is:

39021 = 3¹ × 13007¹

Step-3: Factors of 39012

List of positive integer factors of 39012 that divides 39012 without a remainder.

1, 2, 3, 4, 6, 12, 3251, 6502, 9753, 13004, 19506

Step-4: Factors of 39021

List of positive integer factors of 39021 that divides 39012 without a remainder.

1, 3, 13007

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 39012 and 39021. The biggest common factor number is the GCF number.
So the greatest common factor 39012 and 39021 is 3.

Also check out the Least Common Multiple of 39012 and 39021