GCF and LCM Calculator Logo

What is the Greatest Common Factor of 78790 and 78808?

Greatest common factor (GCF) of 78790 and 78808 is 2.

GCF(78790,78808) = 2

We will now calculate the prime factors of 78790 and 78808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 78790 and 78808.

GCF Calculator and
and

How to find the GCF of 78790 and 78808?

We will first find the prime factorization of 78790 and 78808. After we will calculate the factors of 78790 and 78808 and find the biggest common factor number .

Step-1: Prime Factorization of 78790

Prime factors of 78790 are 2, 5, 7879. Prime factorization of 78790 in exponential form is:

78790 = 21 × 51 × 78791

Step-2: Prime Factorization of 78808

Prime factors of 78808 are 2, 9851. Prime factorization of 78808 in exponential form is:

78808 = 23 × 98511

Step-3: Factors of 78790

List of positive integer factors of 78790 that divides 78790 without a remainder.

1, 2, 5, 10, 7879, 15758, 39395

Step-4: Factors of 78808

List of positive integer factors of 78808 that divides 78790 without a remainder.

1, 2, 4, 8, 9851, 19702, 39404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 78790 and 78808. The biggest common factor number is the GCF number.
So the greatest common factor 78790 and 78808 is 2.

Also check out the Least Common Multiple of 78790 and 78808