What is the Greatest Common Factor of 18275 and 18285?

Greatest common factor (GCF) of 18275 and 18285 is 5.

GCF(18275,18285) = 5

We will now calculate the prime factors of 18275 and 18285, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18275 and 18285.

How to find the GCF of 18275 and 18285?

We will first find the prime factorization of 18275 and 18285. After we will calculate the factors of 18275 and 18285 and find the biggest common factor number .

Step-1: Prime Factorization of 18275

Prime factors of 18275 are 5, 17, 43. Prime factorization of 18275 in exponential form is:

18275 = 5² × 17¹ × 43¹

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 18275

List of positive integer factors of 18275 that divides 18275 without a remainder.

1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655

Step-4: Factors of 18285

List of positive integer factors of 18285 that divides 18275 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 18275 and 18285. The biggest common factor number is the GCF number.
So the greatest common factor 18275 and 18285 is 5.

Also check out the Least Common Multiple of 18275 and 18285