What is the Greatest Common Factor of 72003 and 72021?

Greatest common factor (GCF) of 72003 and 72021 is 3.

GCF(72003,72021) = 3

We will now calculate the prime factors of 72003 and 72021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72003 and 72021.

How to find the GCF of 72003 and 72021?

We will first find the prime factorization of 72003 and 72021. After we will calculate the factors of 72003 and 72021 and find the biggest common factor number .

Step-1: Prime Factorization of 72003

Prime factors of 72003 are 3, 24001. Prime factorization of 72003 in exponential form is:

72003 = 3¹ × 24001¹

Step-2: Prime Factorization of 72021

Prime factors of 72021 are 3, 24007. Prime factorization of 72021 in exponential form is:

72021 = 3¹ × 24007¹

Step-3: Factors of 72003

List of positive integer factors of 72003 that divides 72003 without a remainder.

1, 3, 24001

Step-4: Factors of 72021

List of positive integer factors of 72021 that divides 72003 without a remainder.

1, 3, 24007

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72003 and 72021. The biggest common factor number is the GCF number.
So the greatest common factor 72003 and 72021 is 3.

Also check out the Least Common Multiple of 72003 and 72021