81 is a composite number because its factors are more than 2
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.
41 is prime. 51 is composite. 51=3 x 17 . 71 is prime. 81 is composite. 92 91 is composite. 91 = 7 × 13
61 and 71 are prime numbers the rest are composite numbers
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.
3 is prime. Rest are composite.
Prime numbers have two factors, composite numbers have more than two.
It is a composite number.
81 is a Composite Number