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Because it has other factors other than 1 and itself
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Earn +20 ptsQ: Why isn't 81 a prime number?
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Related questions
What is 81 is that a prime?
81 is not prime it's a composite number
Is 81 a least prime number?
81 is not a prime number. 81 = 3 * 3 * 3 * 3
A number that isnt a prime number?
Composite
What is a number called when it isnt a prime number?
Composite
Is the number 81 a prime number?
No.
How do you find procedure prime factorization 81?
find the prime factorization to the number 81
What is the prime number of 81 is it even or odd?
81 is an odd composite number.
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.
What is the prime factorization of number 81?
The prime factorization of 81 is 3x3x3x3 or 34 in exponential form.
What prime number is after 81?
83
What is the prime number 53 81 33 or 39?
53 is the prime number.
What is one of the following number is prime is it 15 81 29 or 8?
29 is a prime number. 15, 81, and 8 are composites.
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