GCF and LCM Calculator Logo

What is the Greatest Common Factor of 30790 and 30808?

Greatest common factor (GCF) of 30790 and 30808 is 2.

GCF(30790,30808) = 2

We will now calculate the prime factors of 30790 and 30808, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30790 and 30808.

GCF Calculator and
and

How to find the GCF of 30790 and 30808?

We will first find the prime factorization of 30790 and 30808. After we will calculate the factors of 30790 and 30808 and find the biggest common factor number .

Step-1: Prime Factorization of 30790

Prime factors of 30790 are 2, 5, 3079. Prime factorization of 30790 in exponential form is:

30790 = 21 × 51 × 30791

Step-2: Prime Factorization of 30808

Prime factors of 30808 are 2, 3851. Prime factorization of 30808 in exponential form is:

30808 = 23 × 38511

Step-3: Factors of 30790

List of positive integer factors of 30790 that divides 30790 without a remainder.

1, 2, 5, 10, 3079, 6158, 15395

Step-4: Factors of 30808

List of positive integer factors of 30808 that divides 30790 without a remainder.

1, 2, 4, 8, 3851, 7702, 15404

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30790 and 30808. The biggest common factor number is the GCF number.
So the greatest common factor 30790 and 30808 is 2.

Also check out the Least Common Multiple of 30790 and 30808