81 is a composite number because its factors are more than 2
Chat with our AI personalities
It is a composite number, you can get 81 by mulitpling 1*81, 3*27, and 9*9.compositeNo the number 81 is not prime it can be divided by nine.composite
81 is a composite number because it has more than two factors.
Prime numbers have two factors, composite numbers have more than two.
61 and 71 are prime numbers the rest are composite numbers
81 = 3*3*3*3