What is the Greatest Common Factor of 81486 and 81501?

Greatest common factor (GCF) of 81486 and 81501 is 3.

GCF(81486,81501) = 3

We will now calculate the prime factors of 81486 and 81501, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 81486 and 81501.

How to find the GCF of 81486 and 81501?

We will first find the prime factorization of 81486 and 81501. After we will calculate the factors of 81486 and 81501 and find the biggest common factor number .

Step-1: Prime Factorization of 81486

Prime factors of 81486 are 2, 3, 503. Prime factorization of 81486 in exponential form is:

81486 = 2¹ × 3⁴ × 503¹

Step-2: Prime Factorization of 81501

Prime factors of 81501 are 3, 7, 3881. Prime factorization of 81501 in exponential form is:

81501 = 3¹ × 7¹ × 3881¹

Step-3: Factors of 81486

List of positive integer factors of 81486 that divides 81486 without a remainder.

1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 503, 1006, 1509, 3018, 4527, 9054, 13581, 27162, 40743

Step-4: Factors of 81501

List of positive integer factors of 81501 that divides 81486 without a remainder.

1, 3, 7, 21, 3881, 11643, 27167

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 81486 and 81501. The biggest common factor number is the GCF number.
So the greatest common factor 81486 and 81501 is 3.

Also check out the Least Common Multiple of 81486 and 81501