What is the Greatest Common Factor of 79668 and 79686?

Greatest common factor (GCF) of 79668 and 79686 is 18.

GCF(79668,79686) = 18

We will now calculate the prime factors of 79668 and 79686, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79668 and 79686.

How to find the GCF of 79668 and 79686?

We will first find the prime factorization of 79668 and 79686. After we will calculate the factors of 79668 and 79686 and find the biggest common factor number .

Step-1: Prime Factorization of 79668

Prime factors of 79668 are 2, 3, 2213. Prime factorization of 79668 in exponential form is:

79668 = 2² × 3² × 2213¹

Step-2: Prime Factorization of 79686

Prime factors of 79686 are 2, 3, 19, 233. Prime factorization of 79686 in exponential form is:

79686 = 2¹ × 3² × 19¹ × 233¹

Step-3: Factors of 79668

List of positive integer factors of 79668 that divides 79668 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 2213, 4426, 6639, 8852, 13278, 19917, 26556, 39834

Step-4: Factors of 79686

List of positive integer factors of 79686 that divides 79668 without a remainder.

1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 233, 342, 466, 699, 1398, 2097, 4194, 4427, 8854, 13281, 26562, 39843

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79668 and 79686. The biggest common factor number is the GCF number.
So the greatest common factor 79668 and 79686 is 18.

Also check out the Least Common Multiple of 79668 and 79686