What is the Greatest Common Factor of 72015 and 72019?

Greatest common factor (GCF) of 72015 and 72019 is 1.

GCF(72015,72019) = 1

We will now calculate the prime factors of 72015 and 72019, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72015 and 72019.

How to find the GCF of 72015 and 72019?

We will first find the prime factorization of 72015 and 72019. After we will calculate the factors of 72015 and 72019 and find the biggest common factor number .

Step-1: Prime Factorization of 72015

Prime factors of 72015 are 3, 5, 4801. Prime factorization of 72015 in exponential form is:

72015 = 3¹ × 5¹ × 4801¹

Step-2: Prime Factorization of 72019

Prime factors of 72019 are 72019. Prime factorization of 72019 in exponential form is:

72019 = 72019¹

Step-3: Factors of 72015

List of positive integer factors of 72015 that divides 72015 without a remainder.

1, 3, 5, 15, 4801, 14403, 24005

Step-4: Factors of 72019

List of positive integer factors of 72019 that divides 72015 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72015 and 72019. The biggest common factor number is the GCF number.
So the greatest common factor 72015 and 72019 is 1.

Also check out the Least Common Multiple of 72015 and 72019