What is the Greatest Common Factor of 18265 and 18280?

Greatest common factor (GCF) of 18265 and 18280 is 5.

GCF(18265,18280) = 5

We will now calculate the prime factors of 18265 and 18280, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18265 and 18280.

How to find the GCF of 18265 and 18280?

We will first find the prime factorization of 18265 and 18280. After we will calculate the factors of 18265 and 18280 and find the biggest common factor number .

Step-1: Prime Factorization of 18265

Prime factors of 18265 are 5, 13, 281. Prime factorization of 18265 in exponential form is:

18265 = 5¹ × 13¹ × 281¹

Step-2: Prime Factorization of 18280

Prime factors of 18280 are 2, 5, 457. Prime factorization of 18280 in exponential form is:

18280 = 2³ × 5¹ × 457¹

Step-3: Factors of 18265

List of positive integer factors of 18265 that divides 18265 without a remainder.

1, 5, 13, 65, 281, 1405, 3653

Step-4: Factors of 18280

List of positive integer factors of 18280 that divides 18265 without a remainder.

1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18265 and 18280. The biggest common factor number is the GCF number.
So the greatest common factor 18265 and 18280 is 5.

Also check out the Least Common Multiple of 18265 and 18280