What is the Greatest Common Factor of 790 and 796?

Greatest common factor (GCF) of 790 and 796 is 2.

GCF(790,796) = 2

We will now calculate the prime factors of 790 and 796, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 790 and 796.

How to find the GCF of 790 and 796?

We will first find the prime factorization of 790 and 796. After we will calculate the factors of 790 and 796 and find the biggest common factor number .

Step-1: Prime Factorization of 790

Prime factors of 790 are 2, 5, 79. Prime factorization of 790 in exponential form is:

790 = 2¹ × 5¹ × 79¹

Step-2: Prime Factorization of 796

Prime factors of 796 are 2, 199. Prime factorization of 796 in exponential form is:

796 = 2² × 199¹

Step-3: Factors of 790

List of positive integer factors of 790 that divides 790 without a remainder.

1, 2, 5, 10, 79, 158, 395

Step-4: Factors of 796

List of positive integer factors of 796 that divides 790 without a remainder.

1, 2, 4, 199, 398

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 790 and 796. The biggest common factor number is the GCF number.
So the greatest common factor 790 and 796 is 2.

Also check out the Least Common Multiple of 790 and 796