What is the Greatest Common Factor of 18345 and 18351?

Greatest common factor (GCF) of 18345 and 18351 is 3.

GCF(18345,18351) = 3

We will now calculate the prime factors of 18345 and 18351, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18345 and 18351.

How to find the GCF of 18345 and 18351?

We will first find the prime factorization of 18345 and 18351. After we will calculate the factors of 18345 and 18351 and find the biggest common factor number .

Step-1: Prime Factorization of 18345

Prime factors of 18345 are 3, 5, 1223. Prime factorization of 18345 in exponential form is:

18345 = 3¹ × 5¹ × 1223¹

Step-2: Prime Factorization of 18351

Prime factors of 18351 are 3, 2039. Prime factorization of 18351 in exponential form is:

18351 = 3² × 2039¹

Step-3: Factors of 18345

List of positive integer factors of 18345 that divides 18345 without a remainder.

1, 3, 5, 15, 1223, 3669, 6115

Step-4: Factors of 18351

List of positive integer factors of 18351 that divides 18345 without a remainder.

1, 3, 9, 2039, 6117

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18345 and 18351. The biggest common factor number is the GCF number.
So the greatest common factor 18345 and 18351 is 3.

Also check out the Least Common Multiple of 18345 and 18351