What is the Greatest Common Factor of 54243 and 54258?

Greatest common factor (GCF) of 54243 and 54258 is 3.

GCF(54243,54258) = 3

We will now calculate the prime factors of 54243 and 54258, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54243 and 54258.

How to find the GCF of 54243 and 54258?

We will first find the prime factorization of 54243 and 54258. After we will calculate the factors of 54243 and 54258 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 54258

Prime factors of 54258 are 2, 3, 9043. Prime factorization of 54258 in exponential form is:

54258 = 2¹ × 3¹ × 9043¹

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 54258

List of positive integer factors of 54258 that divides 54243 without a remainder.

1, 2, 3, 6, 9043, 18086, 27129

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 54243 and 54258. The biggest common factor number is the GCF number.
So the greatest common factor 54243 and 54258 is 3.

Also check out the Least Common Multiple of 54243 and 54258