What is the Greatest Common Factor of 18351 and 18369?

Greatest common factor (GCF) of 18351 and 18369 is 9.

GCF(18351,18369) = 9

We will now calculate the prime factors of 18351 and 18369, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18351 and 18369.

How to find the GCF of 18351 and 18369?

We will first find the prime factorization of 18351 and 18369. After we will calculate the factors of 18351 and 18369 and find the biggest common factor number .

Step-1: Prime Factorization of 18351

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

18351 = 3² × 2039¹

Step-2: Prime Factorization of 18369

Prime factors of 18369 are 3, 13, 157. Prime factorization of 18369 in exponential form is:

18369 = 3² × 13¹ × 157¹

Step-3: Factors of 18351

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

1, 3, 9, 2039, 6117

Step-4: Factors of 18369

List of positive integer factors of 18369 that divides 18351 without a remainder.

1, 3, 9, 13, 39, 117, 157, 471, 1413, 2041, 6123

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18351 and 18369. The biggest common factor number is the GCF number.
So the greatest common factor 18351 and 18369 is 9.

Also check out the Least Common Multiple of 18351 and 18369