What is the Greatest Common Factor of 18135 and 18153?

Greatest common factor (GCF) of 18135 and 18153 is 9.

GCF(18135,18153) = 9

We will now calculate the prime factors of 18135 and 18153, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18135 and 18153.

How to find the GCF of 18135 and 18153?

We will first find the prime factorization of 18135 and 18153. After we will calculate the factors of 18135 and 18153 and find the biggest common factor number .

Step-1: Prime Factorization of 18135

Prime factors of 18135 are 3, 5, 13, 31. Prime factorization of 18135 in exponential form is:

18135 = 3² × 5¹ × 13¹ × 31¹

Step-2: Prime Factorization of 18153

Prime factors of 18153 are 3, 2017. Prime factorization of 18153 in exponential form is:

18153 = 3² × 2017¹

Step-3: Factors of 18135

List of positive integer factors of 18135 that divides 18135 without a remainder.

1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 6045

Step-4: Factors of 18153

List of positive integer factors of 18153 that divides 18135 without a remainder.

1, 3, 9, 2017, 6051

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18135 and 18153. The biggest common factor number is the GCF number.
So the greatest common factor 18135 and 18153 is 9.

Also check out the Least Common Multiple of 18135 and 18153