What is the Greatest Common Factor of 18210 and 18225?

Greatest common factor (GCF) of 18210 and 18225 is 15.

GCF(18210,18225) = 15

We will now calculate the prime factors of 18210 and 18225, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18210 and 18225.

How to find the GCF of 18210 and 18225?

We will first find the prime factorization of 18210 and 18225. After we will calculate the factors of 18210 and 18225 and find the biggest common factor number .

Step-1: Prime Factorization of 18210

Prime factors of 18210 are 2, 3, 5, 607. Prime factorization of 18210 in exponential form is:

18210 = 2¹ × 3¹ × 5¹ × 607¹

Step-2: Prime Factorization of 18225

Prime factors of 18225 are 3, 5. Prime factorization of 18225 in exponential form is:

18225 = 3⁶ × 5²

Step-3: Factors of 18210

List of positive integer factors of 18210 that divides 18210 without a remainder.

1, 2, 3, 5, 6, 10, 15, 30, 607, 1214, 1821, 3035, 3642, 6070, 9105

Step-4: Factors of 18225

List of positive integer factors of 18225 that divides 18210 without a remainder.

1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18210 and 18225. The biggest common factor number is the GCF number.
So the greatest common factor 18210 and 18225 is 15.

Also check out the Least Common Multiple of 18210 and 18225