0
Yes. One of the reasons are that if you Google it, they say it's a composite #. Second, a Prime number has 2 factors: 1 and itself. But 81 has 5 factors:1, 3, 9, 27, and 81.
81 is a composite number 3 * 3 * 3 * 3 = 81
Wiki User
∙ 7y ago
Wiki User
∙ 9y agoYes.
Add your answer:
Earn +20 pts
Is 81 a composite?
Yes, I think so.
Is 20 a prime composite?
wowo is it a composite number dang how did I not see that...
Is 47 a composite number?
No, it is not a composite number, it's a prime number.
Is 222 prime or composite?
Composite A prime number is a number that has only two factors (itself and one) A composite number is a number that has more than two factors.
Is one a composite number?
One (1) is not a composite number.
What is the composite numbers for 81?
81 is a composite number.
What is 81 is that a prime?
81 is not prime it's a composite number
Is 81 a prime number or a composite number?
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
Is 81prime or composite?
81 is a composite number
Which is not a composite number 313968 or 81?
Both 81 and 313968 are composite numbers.
81 prime or composite?
81 is a composite number. Composite numbers are any number that has more than two factors(one and itself). Therefore, since 3,9, and 27 are factors of 81 that makes it a composite number.
Why is 81 a composite?
It has more than two distinct factors; they are 1, 3, 9, 27, 81
Is 81 prime or a composite?
81 is a composite number because it has more than two factors.
What is the prime number of 81 is it even or odd?
81 is an odd composite number.
Is 81a composite number or a prime number?
81 is a composite number and it is also a square number
What number is composite 43 61 81 or 83?
81
Is 81 prime or composite numder?
81 is a composite number because its factors are more than 2
