GCF and LCM Calculator Logo

What is the Greatest Common Factor of 79778 and 79782?

Greatest common factor (GCF) of 79778 and 79782 is 2.

GCF(79778,79782) = 2

We will now calculate the prime factors of 79778 and 79782, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 79778 and 79782.

GCF Calculator and
and

How to find the GCF of 79778 and 79782?

We will first find the prime factorization of 79778 and 79782. After we will calculate the factors of 79778 and 79782 and find the biggest common factor number .

Step-1: Prime Factorization of 79778

Prime factors of 79778 are 2, 113, 353. Prime factorization of 79778 in exponential form is:

79778 = 21 × 1131 × 3531

Step-2: Prime Factorization of 79782

Prime factors of 79782 are 2, 3, 13297. Prime factorization of 79782 in exponential form is:

79782 = 21 × 31 × 132971

Step-3: Factors of 79778

List of positive integer factors of 79778 that divides 79778 without a remainder.

1, 2, 113, 226, 353, 706, 39889

Step-4: Factors of 79782

List of positive integer factors of 79782 that divides 79778 without a remainder.

1, 2, 3, 6, 13297, 26594, 39891

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 79778 and 79782. The biggest common factor number is the GCF number.
So the greatest common factor 79778 and 79782 is 2.

Also check out the Least Common Multiple of 79778 and 79782