What is the Greatest Common Factor of 30798 and 30818?

Greatest common factor (GCF) of 30798 and 30818 is 2.

GCF(30798,30818) = 2

We will now calculate the prime factors of 30798 and 30818, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 30798 and 30818.

How to find the GCF of 30798 and 30818?

We will first find the prime factorization of 30798 and 30818. After we will calculate the factors of 30798 and 30818 and find the biggest common factor number .

Step-1: Prime Factorization of 30798

Prime factors of 30798 are 2, 3, 29, 59. Prime factorization of 30798 in exponential form is:

30798 = 2¹ × 3² × 29¹ × 59¹

Step-2: Prime Factorization of 30818

Prime factors of 30818 are 2, 19, 811. Prime factorization of 30818 in exponential form is:

30818 = 2¹ × 19¹ × 811¹

Step-3: Factors of 30798

List of positive integer factors of 30798 that divides 30798 without a remainder.

1, 2, 3, 6, 9, 18, 29, 58, 59, 87, 118, 174, 177, 261, 354, 522, 531, 1062, 1711, 3422, 5133, 10266, 15399

Step-4: Factors of 30818

List of positive integer factors of 30818 that divides 30798 without a remainder.

1, 2, 19, 38, 811, 1622, 15409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 30798 and 30818. The biggest common factor number is the GCF number.
So the greatest common factor 30798 and 30818 is 2.

Also check out the Least Common Multiple of 30798 and 30818