What is the Greatest Common Factor of 18027 and 18039?

Greatest common factor (GCF) of 18027 and 18039 is 3.

GCF(18027,18039) = 3

We will now calculate the prime factors of 18027 and 18039, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18027 and 18039.

How to find the GCF of 18027 and 18039?

We will first find the prime factorization of 18027 and 18039. After we will calculate the factors of 18027 and 18039 and find the biggest common factor number .

Step-1: Prime Factorization of 18027

Prime factors of 18027 are 3, 2003. Prime factorization of 18027 in exponential form is:

18027 = 3² × 2003¹

Step-2: Prime Factorization of 18039

Prime factors of 18039 are 3, 7, 859. Prime factorization of 18039 in exponential form is:

18039 = 3¹ × 7¹ × 859¹

Step-3: Factors of 18027

List of positive integer factors of 18027 that divides 18027 without a remainder.

1, 3, 9, 2003, 6009

Step-4: Factors of 18039

List of positive integer factors of 18039 that divides 18027 without a remainder.

1, 3, 7, 21, 859, 2577, 6013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18027 and 18039. The biggest common factor number is the GCF number.
So the greatest common factor 18027 and 18039 is 3.

Also check out the Least Common Multiple of 18027 and 18039