What is the Greatest Common Factor of 18285 and 18289?

Greatest common factor (GCF) of 18285 and 18289 is 1.

GCF(18285,18289) = 1

We will now calculate the prime factors of 18285 and 18289, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18285 and 18289.

How to find the GCF of 18285 and 18289?

We will first find the prime factorization of 18285 and 18289. After we will calculate the factors of 18285 and 18289 and find the biggest common factor number .

Step-1: Prime Factorization of 18285

Prime factors of 18285 are 3, 5, 23, 53. Prime factorization of 18285 in exponential form is:

18285 = 3¹ × 5¹ × 23¹ × 53¹

Step-2: Prime Factorization of 18289

Prime factors of 18289 are 18289. Prime factorization of 18289 in exponential form is:

18289 = 18289¹

Step-3: Factors of 18285

List of positive integer factors of 18285 that divides 18285 without a remainder.

1, 3, 5, 15, 23, 53, 69, 115, 159, 265, 345, 795, 1219, 3657, 6095

Step-4: Factors of 18289

List of positive integer factors of 18289 that divides 18285 without a remainder.

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18285 and 18289. The biggest common factor number is the GCF number.
So the greatest common factor 18285 and 18289 is 1.

Also check out the Least Common Multiple of 18285 and 18289