What is the Greatest Common Factor of 23139 and 23148?

Greatest common factor (GCF) of 23139 and 23148 is 9.

GCF(23139,23148) = 9

We will now calculate the prime factors of 23139 and 23148, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23139 and 23148.

How to find the GCF of 23139 and 23148?

We will first find the prime factorization of 23139 and 23148. After we will calculate the factors of 23139 and 23148 and find the biggest common factor number .

Step-1: Prime Factorization of 23139

Prime factors of 23139 are 3, 857. Prime factorization of 23139 in exponential form is:

23139 = 3³ × 857¹

Step-2: Prime Factorization of 23148

Prime factors of 23148 are 2, 3, 643. Prime factorization of 23148 in exponential form is:

23148 = 2² × 3² × 643¹

Step-3: Factors of 23139

List of positive integer factors of 23139 that divides 23139 without a remainder.

1, 3, 9, 27, 857, 2571, 7713

Step-4: Factors of 23148

List of positive integer factors of 23148 that divides 23139 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5787, 7716, 11574

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23139 and 23148. The biggest common factor number is the GCF number.
So the greatest common factor 23139 and 23148 is 9.

Also check out the Least Common Multiple of 23139 and 23148