What is the Greatest Common Factor of 84004 and 84020?

Greatest common factor (GCF) of 84004 and 84020 is 4.

GCF(84004,84020) = 4

We will now calculate the prime factors of 84004 and 84020, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 84004 and 84020.

How to find the GCF of 84004 and 84020?

We will first find the prime factorization of 84004 and 84020. After we will calculate the factors of 84004 and 84020 and find the biggest common factor number .

Step-1: Prime Factorization of 84004

Prime factors of 84004 are 2, 21001. Prime factorization of 84004 in exponential form is:

84004 = 2² × 21001¹

Step-2: Prime Factorization of 84020

Prime factors of 84020 are 2, 5, 4201. Prime factorization of 84020 in exponential form is:

84020 = 2² × 5¹ × 4201¹

Step-3: Factors of 84004

List of positive integer factors of 84004 that divides 84004 without a remainder.

1, 2, 4, 21001, 42002

Step-4: Factors of 84020

List of positive integer factors of 84020 that divides 84004 without a remainder.

1, 2, 4, 5, 10, 20, 4201, 8402, 16804, 21005, 42010

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 84004 and 84020. The biggest common factor number is the GCF number.
So the greatest common factor 84004 and 84020 is 4.

Also check out the Least Common Multiple of 84004 and 84020