What is the Greatest Common Factor of 72042 and 72057?

Greatest common factor (GCF) of 72042 and 72057 is 3.

GCF(72042,72057) = 3

We will now calculate the prime factors of 72042 and 72057, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 72042 and 72057.

How to find the GCF of 72042 and 72057?

We will first find the prime factorization of 72042 and 72057. After we will calculate the factors of 72042 and 72057 and find the biggest common factor number .

Step-1: Prime Factorization of 72042

Prime factors of 72042 are 2, 3, 12007. Prime factorization of 72042 in exponential form is:

72042 = 2¹ × 3¹ × 12007¹

Step-2: Prime Factorization of 72057

Prime factors of 72057 are 3, 24019. Prime factorization of 72057 in exponential form is:

72057 = 3¹ × 24019¹

Step-3: Factors of 72042

List of positive integer factors of 72042 that divides 72042 without a remainder.

1, 2, 3, 6, 12007, 24014, 36021

Step-4: Factors of 72057

List of positive integer factors of 72057 that divides 72042 without a remainder.

1, 3, 24019

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 72042 and 72057. The biggest common factor number is the GCF number.
So the greatest common factor 72042 and 72057 is 3.

Also check out the Least Common Multiple of 72042 and 72057