What is the Greatest Common Factor of 18489 and 18508?

Greatest common factor (GCF) of 18489 and 18508 is 1.

GCF(18489,18508) = 1

We will now calculate the prime factors of 18489 and 18508, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18489 and 18508.

How to find the GCF of 18489 and 18508?

We will first find the prime factorization of 18489 and 18508. After we will calculate the factors of 18489 and 18508 and find the biggest common factor number .

Step-1: Prime Factorization of 18489

Prime factors of 18489 are 3, 6163. Prime factorization of 18489 in exponential form is:

18489 = 3¹ × 6163¹

Step-2: Prime Factorization of 18508

Prime factors of 18508 are 2, 7, 661. Prime factorization of 18508 in exponential form is:

18508 = 2² × 7¹ × 661¹

Step-3: Factors of 18489

List of positive integer factors of 18489 that divides 18489 without a remainder.

1, 3, 6163

Step-4: Factors of 18508

List of positive integer factors of 18508 that divides 18489 without a remainder.

1, 2, 4, 7, 14, 28, 661, 1322, 2644, 4627, 9254

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18489 and 18508. The biggest common factor number is the GCF number.
So the greatest common factor 18489 and 18508 is 1.

Also check out the Least Common Multiple of 18489 and 18508