What is the Greatest Common Factor of 227 and 243?

Greatest common factor (GCF) of 227 and 243 is 1.

GCF(227,243) = 1

We will now calculate the prime factors of 227 and 243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 227 and 243.

How to find the GCF of 227 and 243?

We will first find the prime factorization of 227 and 243. After we will calculate the factors of 227 and 243 and find the biggest common factor number .

Step-1: Prime Factorization of 227

Prime factors of 227 are 227. Prime factorization of 227 in exponential form is:

227 = 227¹

Step-2: Prime Factorization of 243

Prime factors of 243 are 3. Prime factorization of 243 in exponential form is:

243 = 3⁵

Step-3: Factors of 227

List of positive integer factors of 227 that divides 227 without a remainder.

Step-4: Factors of 243

List of positive integer factors of 243 that divides 227 without a remainder.

1, 3, 9, 27, 81

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 227 and 243. The biggest common factor number is the GCF number.
So the greatest common factor 227 and 243 is 1.

Also check out the Least Common Multiple of 227 and 243