What is the Greatest Common Factor of 81306 and 81324?

Greatest common factor (GCF) of 81306 and 81324 is 18.

GCF(81306,81324) = 18

We will now calculate the prime factors of 81306 and 81324, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81306 and 81324.

How to find the GCF of 81306 and 81324?

We will first find the prime factorization of 81306 and 81324. After we will calculate the factors of 81306 and 81324 and find the biggest common factor number .

Step-1: Prime Factorization of 81306

Prime factors of 81306 are 2, 3, 4517. Prime factorization of 81306 in exponential form is:

81306 = 2¹ × 3² × 4517¹

Step-2: Prime Factorization of 81324

Prime factors of 81324 are 2, 3, 251. Prime factorization of 81324 in exponential form is:

81324 = 2² × 3⁴ × 251¹

Step-3: Factors of 81306

List of positive integer factors of 81306 that divides 81306 without a remainder.

1, 2, 3, 6, 9, 18, 4517, 9034, 13551, 27102, 40653

Step-4: Factors of 81324

List of positive integer factors of 81324 that divides 81306 without a remainder.

1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 251, 324, 502, 753, 1004, 1506, 2259, 3012, 4518, 6777, 9036, 13554, 20331, 27108, 40662

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81306 and 81324. The biggest common factor number is the GCF number.
So the greatest common factor 81306 and 81324 is 18.

Also check out the Least Common Multiple of 81306 and 81324