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81 is a composite number since it has at least one factor that is not itself or 1.
It's composite: 81 = 9 x 9 (or 9^2) and 3 x 27 (other than 81 x 1).
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What is 81 is that a prime?
81 is not prime it's a composite number
Why is 81 prime?
81 is not prime, it is composite.
Is 81 neither prime or composite?
Composite
Is 81a prime?
81 is a Composite Number
What is the prime number of 81 is it even or odd?
81 is an odd composite number.
What is 81 is that a prime?
81 is not prime it's a composite number
Why is 81 prime?
81 is not prime, it is composite.
Is 81 prime composite or neather?
It is composite.
Is 81 neither prime or composite?
Composite
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 81 prime or a composite?
81 is a composite number because it has more than two factors.
What are composite not prime numbers 3 27 38 81?
3 is prime. Rest are composite.
Is 81 prime or composite numder?
81 is a composite number because its factors are more than 2
Is 81 prime or comsite?
It is a composite number.
Is 81a prime?
81 is a Composite Number
Is 41 51 71 81 91 a prime number?
41 is prime. 51 is composite. 51=3 x 17 . 71 is prime. 81 is composite. 92 91 is composite. 91 = 7 × 13
What is the prime number of 81 is it even or odd?
81 is an odd composite number.
