What is the Greatest Common Factor of 30790 and 30806?

Greatest common factor (GCF) of 30790 and 30806 is 2.

GCF(30790,30806) = 2

We will now calculate the prime factors of 30790 and 30806, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30790 and 30806.

How to find the GCF of 30790 and 30806?

We will first find the prime factorization of 30790 and 30806. After we will calculate the factors of 30790 and 30806 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 30806

Prime factors of 30806 are 2, 73, 211. Prime factorization of 30806 in exponential form is:

30806 = 2¹ × 73¹ × 211¹

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 30806

List of positive integer factors of 30806 that divides 30790 without a remainder.

1, 2, 73, 146, 211, 422, 15403

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30790 and 30806. The biggest common factor number is the GCF number.
So the greatest common factor 30790 and 30806 is 2.

Also check out the Least Common Multiple of 30790 and 30806