What is the Greatest Common Factor of 78017 and 78021?

Greatest common factor (GCF) of 78017 and 78021 is 1.

GCF(78017,78021) = 1

We will now calculate the prime factors of 78017 and 78021, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78017 and 78021.

How to find the GCF of 78017 and 78021?

We will first find the prime factorization of 78017 and 78021. After we will calculate the factors of 78017 and 78021 and find the biggest common factor number .

Step-1: Prime Factorization of 78017

Prime factors of 78017 are 78017. Prime factorization of 78017 in exponential form is:

78017 = 78017¹

Step-2: Prime Factorization of 78021

Prime factors of 78021 are 3, 8669. Prime factorization of 78021 in exponential form is:

78021 = 3² × 8669¹

Step-3: Factors of 78017

List of positive integer factors of 78017 that divides 78017 without a remainder.

Step-4: Factors of 78021

List of positive integer factors of 78021 that divides 78017 without a remainder.

1, 3, 9, 8669, 26007

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78017 and 78021. The biggest common factor number is the GCF number.
So the greatest common factor 78017 and 78021 is 1.

Also check out the Least Common Multiple of 78017 and 78021