What is the Greatest Common Factor of 18657 and 18663?

Greatest common factor (GCF) of 18657 and 18663 is 3.

GCF(18657,18663) = 3

We will now calculate the prime factors of 18657 and 18663, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18657 and 18663.

How to find the GCF of 18657 and 18663?

We will first find the prime factorization of 18657 and 18663. After we will calculate the factors of 18657 and 18663 and find the biggest common factor number .

Step-1: Prime Factorization of 18657

Prime factors of 18657 are 3, 691. Prime factorization of 18657 in exponential form is:

18657 = 3³ × 691¹

Step-2: Prime Factorization of 18663

Prime factors of 18663 are 3, 6221. Prime factorization of 18663 in exponential form is:

18663 = 3¹ × 6221¹

Step-3: Factors of 18657

List of positive integer factors of 18657 that divides 18657 without a remainder.

1, 3, 9, 27, 691, 2073, 6219

Step-4: Factors of 18663

List of positive integer factors of 18663 that divides 18657 without a remainder.

1, 3, 6221

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 18657 and 18663. The biggest common factor number is the GCF number.
So the greatest common factor 18657 and 18663 is 3.

Also check out the Least Common Multiple of 18657 and 18663