What is the Greatest Common Factor of 79209 and 79227?

Greatest common factor (GCF) of 79209 and 79227 is 9.

GCF(79209,79227) = 9

We will now calculate the prime factors of 79209 and 79227, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79209 and 79227.

How to find the GCF of 79209 and 79227?

We will first find the prime factorization of 79209 and 79227. After we will calculate the factors of 79209 and 79227 and find the biggest common factor number .

Step-1: Prime Factorization of 79209

Prime factors of 79209 are 3, 13, 677. Prime factorization of 79209 in exponential form is:

79209 = 3² × 13¹ × 677¹

Step-2: Prime Factorization of 79227

Prime factors of 79227 are 3, 8803. Prime factorization of 79227 in exponential form is:

79227 = 3² × 8803¹

Step-3: Factors of 79209

List of positive integer factors of 79209 that divides 79209 without a remainder.

1, 3, 9, 13, 39, 117, 677, 2031, 6093, 8801, 26403

Step-4: Factors of 79227

List of positive integer factors of 79227 that divides 79209 without a remainder.

1, 3, 9, 8803, 26409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79209 and 79227. The biggest common factor number is the GCF number.
So the greatest common factor 79209 and 79227 is 9.

Also check out the Least Common Multiple of 79209 and 79227