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Because it has more than two factors and it is also a square number in which 9 times 9 = 81
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∙ 9y ago
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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
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.
What is the prime number of 81 is it even or odd?
81 is an odd composite number.
What number is composite 43 61 81 or 83?
81
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
