What is the Greatest Common Factor of 78315 and 78326?

Greatest common factor (GCF) of 78315 and 78326 is 1.

GCF(78315,78326) = 1

We will now calculate the prime factors of 78315 and 78326, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78315 and 78326.

How to find the GCF of 78315 and 78326?

We will first find the prime factorization of 78315 and 78326. After we will calculate the factors of 78315 and 78326 and find the biggest common factor number .

Step-1: Prime Factorization of 78315

Prime factors of 78315 are 3, 5, 23, 227. Prime factorization of 78315 in exponential form is:

78315 = 3¹ × 5¹ × 23¹ × 227¹

Step-2: Prime Factorization of 78326

Prime factors of 78326 are 2, 39163. Prime factorization of 78326 in exponential form is:

78326 = 2¹ × 39163¹

Step-3: Factors of 78315

List of positive integer factors of 78315 that divides 78315 without a remainder.

1, 3, 5, 15, 23, 69, 115, 227, 345, 681, 1135, 3405, 5221, 15663, 26105

Step-4: Factors of 78326

List of positive integer factors of 78326 that divides 78315 without a remainder.

1, 2, 39163

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78315 and 78326. The biggest common factor number is the GCF number.
So the greatest common factor 78315 and 78326 is 1.

Also check out the Least Common Multiple of 78315 and 78326