What is the Greatest Common Factor of 790 and 795?

Greatest common factor (GCF) of 790 and 795 is 5.

GCF(790,795) = 5

We will now calculate the prime factors of 790 and 795, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 790 and 795.

How to find the GCF of 790 and 795?

We will first find the prime factorization of 790 and 795. After we will calculate the factors of 790 and 795 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 795

Prime factors of 795 are 3, 5, 53. Prime factorization of 795 in exponential form is:

795 = 3¹ × 5¹ × 53¹

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 795

List of positive integer factors of 795 that divides 790 without a remainder.

1, 3, 5, 15, 53, 159, 265

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 790 and 795. The biggest common factor number is the GCF number.
So the greatest common factor 790 and 795 is 5.

Also check out the Least Common Multiple of 790 and 795