What is the Greatest Common Factor of 54243 and 54257?

Greatest common factor (GCF) of 54243 and 54257 is 7.

GCF(54243,54257) = 7

We will now calculate the prime factors of 54243 and 54257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54243 and 54257.

How to find the GCF of 54243 and 54257?

We will first find the prime factorization of 54243 and 54257. After we will calculate the factors of 54243 and 54257 and find the biggest common factor number .

Step-1: Prime Factorization of 54243

Prime factors of 54243 are 3, 7, 41. Prime factorization of 54243 in exponential form is:

54243 = 3³ × 7² × 41¹

Step-2: Prime Factorization of 54257

Prime factors of 54257 are 7, 23, 337. Prime factorization of 54257 in exponential form is:

54257 = 7¹ × 23¹ × 337¹

Step-3: Factors of 54243

List of positive integer factors of 54243 that divides 54243 without a remainder.

1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 861, 1107, 1323, 2009, 2583, 6027, 7749, 18081

Step-4: Factors of 54257

List of positive integer factors of 54257 that divides 54243 without a remainder.

1, 7, 23, 161, 337, 2359, 7751

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 54243 and 54257. The biggest common factor number is the GCF number.
So the greatest common factor 54243 and 54257 is 7.

Also check out the Least Common Multiple of 54243 and 54257