What is the Greatest Common Factor of 18195 and 18215?

Greatest common factor (GCF) of 18195 and 18215 is 5.

GCF(18195,18215) = 5

We will now calculate the prime factors of 18195 and 18215, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18195 and 18215.

How to find the GCF of 18195 and 18215?

We will first find the prime factorization of 18195 and 18215. After we will calculate the factors of 18195 and 18215 and find the biggest common factor number .

Step-1: Prime Factorization of 18195

Prime factors of 18195 are 3, 5, 1213. Prime factorization of 18195 in exponential form is:

18195 = 3¹ × 5¹ × 1213¹

Step-2: Prime Factorization of 18215

Prime factors of 18215 are 5, 3643. Prime factorization of 18215 in exponential form is:

18215 = 5¹ × 3643¹

Step-3: Factors of 18195

List of positive integer factors of 18195 that divides 18195 without a remainder.

1, 3, 5, 15, 1213, 3639, 6065

Step-4: Factors of 18215

List of positive integer factors of 18215 that divides 18195 without a remainder.

1, 5, 3643

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18195 and 18215. The biggest common factor number is the GCF number.
So the greatest common factor 18195 and 18215 is 5.

Also check out the Least Common Multiple of 18195 and 18215