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Subjects>Math>Basic Math

Is 81 a prime number or a composite number?

Anonymous

∙ 15y ago

Updated: 4/28/2022

It is a composite number, you can get 81 by mulitpling 1*81, 3*27, and 9*9.
composite
No the number 81 is not prime it can be divided by nine.
composite

Wiki User

∙ 8y ago

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Continue Learning about Basic Math

Is 81 prime or a composite?

81 is a composite number because it has more than two factors.

Is 81 prime or composite numder?

81 is a composite number because its factors are more than 2

What is the composite number as a product of prime number for 81?

81 = 3*3*3*3

Is 81 a prime number?

81 is not a prime number. Its positive integer factors are: 1, 3, 9, 27, 81.81 is a Composite Number.

Is eighty-one a composite or prime number?

81 is a composite number. 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.

Related Questions

What is 81 is that a prime?

81 is not prime it's a composite number

Is 81a prime?

81 is a Composite Number

Is 81 prime or comsite?

It is a composite number.

What is the prime number of 81 is it even or odd?

81 is an odd composite number.

Is 81 prime or a composite?

81 is a composite number because it has more than two factors.

Is 81a composite number or a prime number?

81 is a composite number and it is also a square number

Is 81 prime or composite numder?

81 is a composite number because its factors are more than 2

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 composite number as a product of prime number for 81?

81 = 3*3*3*3

Why is 81 prime?

81 is not prime, it is composite.

Is 81 a prime number?

81 is not a prime number. Its positive integer factors are: 1, 3, 9, 27, 81.81 is a Composite Number.

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).

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