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
81 is not prime it's a composite number
81 is not prime, it is composite.
No, 98 is divisible by 2; therefore, it is a composite number.
It is composite.
Composite
747 is a composite number. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
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.
3 is prime. Rest are composite.
It is a composite number.
81 is a Composite Number