What is the Greatest Common Factor of 23218 and 23231?

Greatest common factor (GCF) of 23218 and 23231 is 13.

GCF(23218,23231) = 13

We will now calculate the prime factors of 23218 and 23231, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23218 and 23231.

How to find the GCF of 23218 and 23231?

We will first find the prime factorization of 23218 and 23231. After we will calculate the factors of 23218 and 23231 and find the biggest common factor number .

Step-1: Prime Factorization of 23218

Prime factors of 23218 are 2, 13, 19, 47. Prime factorization of 23218 in exponential form is:

23218 = 2¹ × 13¹ × 19¹ × 47¹

Step-2: Prime Factorization of 23231

Prime factors of 23231 are 13, 1787. Prime factorization of 23231 in exponential form is:

23231 = 13¹ × 1787¹

Step-3: Factors of 23218

List of positive integer factors of 23218 that divides 23218 without a remainder.

1, 2, 13, 19, 26, 38, 47, 94, 247, 494, 611, 893, 1222, 1786, 11609

Step-4: Factors of 23231

List of positive integer factors of 23231 that divides 23218 without a remainder.

1, 13, 1787

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23218 and 23231. The biggest common factor number is the GCF number.
So the greatest common factor 23218 and 23231 is 13.

Also check out the Least Common Multiple of 23218 and 23231