What is the Greatest Common Factor of 18243 and 18261?

Greatest common factor (GCF) of 18243 and 18261 is 9.

GCF(18243,18261) = 9

We will now calculate the prime factors of 18243 and 18261, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18243 and 18261.

How to find the GCF of 18243 and 18261?

We will first find the prime factorization of 18243 and 18261. After we will calculate the factors of 18243 and 18261 and find the biggest common factor number .

Step-1: Prime Factorization of 18243

Prime factors of 18243 are 3, 2027. Prime factorization of 18243 in exponential form is:

18243 = 3² × 2027¹

Step-2: Prime Factorization of 18261

Prime factors of 18261 are 3, 2029. Prime factorization of 18261 in exponential form is:

18261 = 3² × 2029¹

Step-3: Factors of 18243

List of positive integer factors of 18243 that divides 18243 without a remainder.

1, 3, 9, 2027, 6081

Step-4: Factors of 18261

List of positive integer factors of 18261 that divides 18243 without a remainder.

1, 3, 9, 2029, 6087

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18243 and 18261. The biggest common factor number is the GCF number.
So the greatest common factor 18243 and 18261 is 9.

Also check out the Least Common Multiple of 18243 and 18261