What is the Greatest Common Factor of 54387 and 54405?

Greatest common factor (GCF) of 54387 and 54405 is 9.

GCF(54387,54405) = 9

We will now calculate the prime factors of 54387 and 54405, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54387 and 54405.

How to find the GCF of 54387 and 54405?

We will first find the prime factorization of 54387 and 54405. After we will calculate the factors of 54387 and 54405 and find the biggest common factor number .

Step-1: Prime Factorization of 54387

Prime factors of 54387 are 3, 6043. Prime factorization of 54387 in exponential form is:

54387 = 3² × 6043¹

Step-2: Prime Factorization of 54405

Prime factors of 54405 are 3, 5, 13, 31. Prime factorization of 54405 in exponential form is:

54405 = 3³ × 5¹ × 13¹ × 31¹

Step-3: Factors of 54387

List of positive integer factors of 54387 that divides 54387 without a remainder.

1, 3, 9, 6043, 18129

Step-4: Factors of 54405

List of positive integer factors of 54405 that divides 54387 without a remainder.

1, 3, 5, 9, 13, 15, 27, 31, 39, 45, 65, 93, 117, 135, 155, 195, 279, 351, 403, 465, 585, 837, 1209, 1395, 1755, 2015, 3627, 4185, 6045, 10881, 18135

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 54387 and 54405. The biggest common factor number is the GCF number.
So the greatest common factor 54387 and 54405 is 9.

Also check out the Least Common Multiple of 54387 and 54405