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Earn +20 ptsQ: Is 81 neither prime or composite?
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Is 81 a prime composite or neither number?
81 is a composite number as it has factors other than 1 and itself (3, 27 and 9).
What is 81 is that a prime?
81 is not prime it's a composite number
Is 81 and 111 co prime numbers?
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. 81 is composite, 111 is prime.
Why is 81 prime?
81 is not prime, it is composite.
What is neither a prime nor a composite number?
It is 1 that is neither a prime or a composite number The number 1 is neither prime nor composite.
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