What is the Greatest Common Factor of 27231 and 27243?

Greatest common factor (GCF) of 27231 and 27243 is 3.

GCF(27231,27243) = 3

We will now calculate the prime factors of 27231 and 27243, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27231 and 27243.

How to find the GCF of 27231 and 27243?

We will first find the prime factorization of 27231 and 27243. After we will calculate the factors of 27231 and 27243 and find the biggest common factor number .

Step-1: Prime Factorization of 27231

Prime factors of 27231 are 3, 29, 313. Prime factorization of 27231 in exponential form is:

27231 = 3¹ × 29¹ × 313¹

Step-2: Prime Factorization of 27243

Prime factors of 27243 are 3, 1009. Prime factorization of 27243 in exponential form is:

27243 = 3³ × 1009¹

Step-3: Factors of 27231

List of positive integer factors of 27231 that divides 27231 without a remainder.

1, 3, 29, 87, 313, 939, 9077

Step-4: Factors of 27243

List of positive integer factors of 27243 that divides 27231 without a remainder.

1, 3, 9, 27, 1009, 3027, 9081

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27231 and 27243. The biggest common factor number is the GCF number.
So the greatest common factor 27231 and 27243 is 3.

Also check out the Least Common Multiple of 27231 and 27243