What is the Greatest Common Factor of 18045 and 18065?

Greatest common factor (GCF) of 18045 and 18065 is 5.

GCF(18045,18065) = 5

We will now calculate the prime factors of 18045 and 18065, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18045 and 18065.

How to find the GCF of 18045 and 18065?

We will first find the prime factorization of 18045 and 18065. After we will calculate the factors of 18045 and 18065 and find the biggest common factor number .

Step-1: Prime Factorization of 18045

Prime factors of 18045 are 3, 5, 401. Prime factorization of 18045 in exponential form is:

18045 = 3² × 5¹ × 401¹

Step-2: Prime Factorization of 18065

Prime factors of 18065 are 5, 3613. Prime factorization of 18065 in exponential form is:

18065 = 5¹ × 3613¹

Step-3: Factors of 18045

List of positive integer factors of 18045 that divides 18045 without a remainder.

1, 3, 5, 9, 15, 45, 401, 1203, 2005, 3609, 6015

Step-4: Factors of 18065

List of positive integer factors of 18065 that divides 18045 without a remainder.

1, 5, 3613

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18045 and 18065. The biggest common factor number is the GCF number.
So the greatest common factor 18045 and 18065 is 5.

Also check out the Least Common Multiple of 18045 and 18065