What is the Greatest Common Factor of 43215 and 43227?

Greatest common factor (GCF) of 43215 and 43227 is 3.

GCF(43215,43227) = 3

We will now calculate the prime factors of 43215 and 43227, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 43215 and 43227.

How to find the GCF of 43215 and 43227?

We will first find the prime factorization of 43215 and 43227. After we will calculate the factors of 43215 and 43227 and find the biggest common factor number .

Step-1: Prime Factorization of 43215

Prime factors of 43215 are 3, 5, 43, 67. Prime factorization of 43215 in exponential form is:

43215 = 3¹ × 5¹ × 43¹ × 67¹

Step-2: Prime Factorization of 43227

Prime factors of 43227 are 3, 1601. Prime factorization of 43227 in exponential form is:

43227 = 3³ × 1601¹

Step-3: Factors of 43215

List of positive integer factors of 43215 that divides 43215 without a remainder.

1, 3, 5, 15, 43, 67, 129, 201, 215, 335, 645, 1005, 2881, 8643, 14405

Step-4: Factors of 43227

List of positive integer factors of 43227 that divides 43215 without a remainder.

1, 3, 9, 27, 1601, 4803, 14409

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 43215 and 43227. The biggest common factor number is the GCF number.
So the greatest common factor 43215 and 43227 is 3.

Also check out the Least Common Multiple of 43215 and 43227