What is the Greatest Common Factor of 18180 and 18185?

Greatest common factor (GCF) of 18180 and 18185 is 5.

GCF(18180,18185) = 5

We will now calculate the prime factors of 18180 and 18185, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18180 and 18185.

How to find the GCF of 18180 and 18185?

We will first find the prime factorization of 18180 and 18185. After we will calculate the factors of 18180 and 18185 and find the biggest common factor number .

Step-1: Prime Factorization of 18180

Prime factors of 18180 are 2, 3, 5, 101. Prime factorization of 18180 in exponential form is:

18180 = 2² × 3² × 5¹ × 101¹

Step-2: Prime Factorization of 18185

Prime factors of 18185 are 5, 3637. Prime factorization of 18185 in exponential form is:

18185 = 5¹ × 3637¹

Step-3: Factors of 18180

List of positive integer factors of 18180 that divides 18180 without a remainder.

1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 303, 404, 505, 606, 909, 1010, 1212, 1515, 1818, 2020, 3030, 3636, 4545, 6060, 9090

Step-4: Factors of 18185

List of positive integer factors of 18185 that divides 18180 without a remainder.

1, 5, 3637

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18180 and 18185. The biggest common factor number is the GCF number.
So the greatest common factor 18180 and 18185 is 5.

Also check out the Least Common Multiple of 18180 and 18185