What is the Greatest Common Factor of 16281 and 16290?

Greatest common factor (GCF) of 16281 and 16290 is 9.

GCF(16281,16290) = 9

We will now calculate the prime factors of 16281 and 16290, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16281 and 16290.

How to find the GCF of 16281 and 16290?

We will first find the prime factorization of 16281 and 16290. After we will calculate the factors of 16281 and 16290 and find the biggest common factor number .

Step-1: Prime Factorization of 16281

Prime factors of 16281 are 3, 67. Prime factorization of 16281 in exponential form is:

16281 = 3⁵ × 67¹

Step-2: Prime Factorization of 16290

Prime factors of 16290 are 2, 3, 5, 181. Prime factorization of 16290 in exponential form is:

16290 = 2¹ × 3² × 5¹ × 181¹

Step-3: Factors of 16281

List of positive integer factors of 16281 that divides 16281 without a remainder.

1, 3, 9, 27, 67, 81, 201, 243, 603, 1809, 5427

Step-4: Factors of 16290

List of positive integer factors of 16290 that divides 16281 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 181, 362, 543, 905, 1086, 1629, 1810, 2715, 3258, 5430, 8145

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 16281 and 16290. The biggest common factor number is the GCF number.
So the greatest common factor 16281 and 16290 is 9.

Also check out the Least Common Multiple of 16281 and 16290