What is the Greatest Common Factor of 23790 and 23805?

Greatest common factor (GCF) of 23790 and 23805 is 15.

GCF(23790,23805) = 15

We will now calculate the prime factors of 23790 and 23805, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23790 and 23805.

How to find the GCF of 23790 and 23805?

We will first find the prime factorization of 23790 and 23805. After we will calculate the factors of 23790 and 23805 and find the biggest common factor number .

Step-1: Prime Factorization of 23790

Prime factors of 23790 are 2, 3, 5, 13, 61. Prime factorization of 23790 in exponential form is:

23790 = 2¹ × 3¹ × 5¹ × 13¹ × 61¹

Step-2: Prime Factorization of 23805

Prime factors of 23805 are 3, 5, 23. Prime factorization of 23805 in exponential form is:

23805 = 3² × 5¹ × 23²

Step-3: Factors of 23790

List of positive integer factors of 23790 that divides 23790 without a remainder.

1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1586, 1830, 2379, 3965, 4758, 7930, 11895

Step-4: Factors of 23805

List of positive integer factors of 23805 that divides 23790 without a remainder.

1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 529, 1035, 1587, 2645, 4761, 7935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23790 and 23805. The biggest common factor number is the GCF number.
So the greatest common factor 23790 and 23805 is 15.

Also check out the Least Common Multiple of 23790 and 23805