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What is the Greatest Common Factor of 18081 and 18099?

Greatest common factor (GCF) of 18081 and 18099 is 9.

GCF(18081,18099) = 9

We will now calculate the prime factors of 18081 and 18099, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18081 and 18099.

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How to find the GCF of 18081 and 18099?

We will first find the prime factorization of 18081 and 18099. After we will calculate the factors of 18081 and 18099 and find the biggest common factor number .

Step-1: Prime Factorization of 18081

Prime factors of 18081 are 3, 7, 41. Prime factorization of 18081 in exponential form is:

18081 = 32 × 72 × 411

Step-2: Prime Factorization of 18099

Prime factors of 18099 are 3, 2011. Prime factorization of 18099 in exponential form is:

18099 = 32 × 20111

Step-3: Factors of 18081

List of positive integer factors of 18081 that divides 18081 without a remainder.

1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027

Step-4: Factors of 18099

List of positive integer factors of 18099 that divides 18081 without a remainder.

1, 3, 9, 2011, 6033

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18081 and 18099. The biggest common factor number is the GCF number.
So the greatest common factor 18081 and 18099 is 9.

Also check out the Least Common Multiple of 18081 and 18099