What is the Greatest Common Factor of 18281 and 18285?

Greatest common factor (GCF) of 18281 and 18285 is 1.

GCF(18281,18285) = 1

We will now calculate the prime factors of 18281 and 18285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18281 and 18285.

How to find the GCF of 18281 and 18285?

We will first find the prime factorization of 18281 and 18285. After we will calculate the factors of 18281 and 18285 and find the biggest common factor number .

Step-1: Prime Factorization of 18281

Prime factors of 18281 are 101, 181. Prime factorization of 18281 in exponential form is:

18281 = 101¹ × 181¹

Step-2: 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-3: Factors of 18281

List of positive integer factors of 18281 that divides 18281 without a remainder.

1, 101, 181

Step-4: Factors of 18285

List of positive integer factors of 18285 that divides 18281 without a remainder.

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

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18281 and 18285. The biggest common factor number is the GCF number.
So the greatest common factor 18281 and 18285 is 1.

Also check out the Least Common Multiple of 18281 and 18285