What is the Greatest Common Factor of 78358 and 78378?

Greatest common factor (GCF) of 78358 and 78378 is 2.

GCF(78358,78378) = 2

We will now calculate the prime factors of 78358 and 78378, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78358 and 78378.

How to find the GCF of 78358 and 78378?

We will first find the prime factorization of 78358 and 78378. After we will calculate the factors of 78358 and 78378 and find the biggest common factor number .

Step-1: Prime Factorization of 78358

Prime factors of 78358 are 2, 7, 29, 193. Prime factorization of 78358 in exponential form is:

78358 = 2¹ × 7¹ × 29¹ × 193¹

Step-2: Prime Factorization of 78378

Prime factors of 78378 are 2, 3, 13063. Prime factorization of 78378 in exponential form is:

78378 = 2¹ × 3¹ × 13063¹

Step-3: Factors of 78358

List of positive integer factors of 78358 that divides 78358 without a remainder.

1, 2, 7, 14, 29, 58, 193, 203, 386, 406, 1351, 2702, 5597, 11194, 39179

Step-4: Factors of 78378

List of positive integer factors of 78378 that divides 78358 without a remainder.

1, 2, 3, 6, 13063, 26126, 39189

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78358 and 78378. The biggest common factor number is the GCF number.
So the greatest common factor 78358 and 78378 is 2.

Also check out the Least Common Multiple of 78358 and 78378