What is the Greatest Common Factor of 27243 and 27257?

Greatest common factor (GCF) of 27243 and 27257 is 1.

GCF(27243,27257) = 1

We will now calculate the prime factors of 27243 and 27257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 27243 and 27257.

How to find the GCF of 27243 and 27257?

We will first find the prime factorization of 27243 and 27257. After we will calculate the factors of 27243 and 27257 and find the biggest common factor number .

Step-1: Prime Factorization of 27243

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

27243 = 3³ × 1009¹

Step-2: Prime Factorization of 27257

Prime factors of 27257 are 97, 281. Prime factorization of 27257 in exponential form is:

27257 = 97¹ × 281¹

Step-3: Factors of 27243

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

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

Step-4: Factors of 27257

List of positive integer factors of 27257 that divides 27243 without a remainder.

1, 97, 281

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 27243 and 27257. The biggest common factor number is the GCF number.
So the greatest common factor 27243 and 27257 is 1.

Also check out the Least Common Multiple of 27243 and 27257