What is the Greatest Common Factor of 23145 and 23165?

Greatest common factor (GCF) of 23145 and 23165 is 5.

GCF(23145,23165) = 5

We will now calculate the prime factors of 23145 and 23165, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 23145 and 23165.

How to find the GCF of 23145 and 23165?

We will first find the prime factorization of 23145 and 23165. After we will calculate the factors of 23145 and 23165 and find the biggest common factor number .

Step-1: Prime Factorization of 23145

Prime factors of 23145 are 3, 5, 1543. Prime factorization of 23145 in exponential form is:

23145 = 3¹ × 5¹ × 1543¹

Step-2: Prime Factorization of 23165

Prime factors of 23165 are 5, 41, 113. Prime factorization of 23165 in exponential form is:

23165 = 5¹ × 41¹ × 113¹

Step-3: Factors of 23145

List of positive integer factors of 23145 that divides 23145 without a remainder.

1, 3, 5, 15, 1543, 4629, 7715

Step-4: Factors of 23165

List of positive integer factors of 23165 that divides 23145 without a remainder.

1, 5, 41, 113, 205, 565, 4633

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 23145 and 23165. The biggest common factor number is the GCF number.
So the greatest common factor 23145 and 23165 is 5.

Also check out the Least Common Multiple of 23145 and 23165