FACTORS OF 81
81 has 5 factors.
1, 3, 9, 27, 81
Factors of 81 can be found by ckecking the divisibility of 81 by the whole numbers 1 through = 9. If a whole number divides 81 exactly, both
are the factors of 81.
The only prime factor of 81 is 3.
Factors of a number a are the numbers that divide a exactly, without a remainder. A number can be expressed as the multiplication of its factors.