What is the Greatest Common Factor of 16221 and 16227?

Greatest common factor (GCF) of 16221 and 16227 is 3.

GCF(16221,16227) = 3

We will now calculate the prime factors of 16221 and 16227, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16221 and 16227.

How to find the GCF of 16221 and 16227?

We will first find the prime factorization of 16221 and 16227. After we will calculate the factors of 16221 and 16227 and find the biggest common factor number .

Step-1: Prime Factorization of 16221

Prime factors of 16221 are 3, 5407. Prime factorization of 16221 in exponential form is:

16221 = 3¹ × 5407¹

Step-2: Prime Factorization of 16227

Prime factors of 16227 are 3, 601. Prime factorization of 16227 in exponential form is:

16227 = 3³ × 601¹

Step-3: Factors of 16221

List of positive integer factors of 16221 that divides 16221 without a remainder.

1, 3, 5407

Step-4: Factors of 16227

List of positive integer factors of 16227 that divides 16221 without a remainder.

1, 3, 9, 27, 601, 1803, 5409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16221 and 16227. The biggest common factor number is the GCF number.
So the greatest common factor 16221 and 16227 is 3.

Also check out the Least Common Multiple of 16221 and 16227