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Earn +20 ptsQ: Is 81 a square number or a composite number or both?
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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
Why is 81 an composite number?
Because it has more than two factors and it is also a square number in which 9 times 9 = 81
What kind of a number is 81?
81 is; Natural number, Perfect-square number, Perfect 4th root number, Perfect totient number, Odd Number, Composite Number, etc.
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.
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