What are all the factors, the prime factorization, and factor pairs of 81?

To find the factors of 81, divide 81 by each number starting with 1 and working up to 81

Now let us find how to calculate all the factors of 81:
3
= 27
9
= 9
As you can see, the factors of 81 are:
1, 3, 9, 27, 81

Factors of Numbers similar to 81

Other conversions of the number 81