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The prime factorization of 81 is 3^4, also written 3x3x3x3.

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โˆ™ 2012-02-16 04:23:39
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Q: What is the prime factors for number 81?
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Related questions

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 number or a composite number?

81 is a composite number because it has factors other than 1 and itself. 81 is not a prime number. 81 = 3 * 3 * 3 * 3. Its positive integer factors are: 1, 3, 9, 27, 81.


Is 81 a composite or prime number?

81 is a composite number because it has more factors than 1 and itself. The factors of 81 are 1, 3, 9, 27, and 81.


Is 71 and 81 co prime?

71 is a prime number because it has only two factors whereas 81 is a composite number because it has more than two factors.


What are the prime number for 81?

The prime factors of 81 are 3 x 3 x 3 x 3.


What are the prime factors factors of 81?

81 = 3x3x3x3


What are the common prime factors of 81 and 200?

81 and 200 have no common prime factors.


What are the factors and prime factors 81?

The factors of 81 are: 1 3 9 27 81 The prime factor is: 3


Is 81 prime or a composite?

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


Why do some of the factor rainbows have an even number of factors and some have an odd number of factors?

Factor rainbows display the prime factors of a given number. Some numbers, Like 27, have an odd number of prime factors. Some numbers, like 81, have an even number of prime factors.


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 81 is that a prime?

81 is not prime it's a composite number


What are all the prime factors of 81?

The only prime factor of 81 is 3.


What are the prime factors of 81 and 225?

The only prime factor of 81 is: 3.The prime factors of 225 are: 3 and 5.


What are the factors and prime factors of -81?

1,3,9,27,81 and their negatives. 3 is prime.


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 are the factors and prime factors of 18 and 81?

The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 81 are: 1, 3, 9, 27, and 81.The only prime factor of 81 is: 3.


Is 625 and 81 relatively prime?

625 and 81 are relatively prime because they have common prime factors.


Is 81 a least prime number?

81 is not a prime number. 81 = 3 * 3 * 3 * 3


Is 81 a composite number?

Yes. One of the reasons are that if you Google it, they say it's a composite #. Second, a prime number has 2 factors: 1 and itself. But 81 has 5 factors:1, 3, 9, 27, and 81.81 is a composite number 3 * 3 * 3 * 3 = 81


Which is a prime number 53 57 81 93?

53 is the only prime number out of the four numbers because it has only two factors.


Is 81 a prime a number a composite?

Composite because it has more than two factors.


What are the factor and prime factors of 81?

factors: 1, 3, 9, 27, 81 prime factor: 3


What is the sum of the prime factors of 81?

As a product of its prime factors: 3*3*3*3 = 81 and 4*3 = 12