###### Asked in Prime Numbers, Composite Numbers

Prime Numbers

Composite Numbers

# Why is 0 not a prime or composite number?

-101

## Answer

###### Wiki User

###### 07/03/2016

That is because the concept of primeness or compositeness are defined only for integers which are larger than 1.

## Related Questions

###### Asked in Composite Numbers

### Is o a prime or composite number?

0 is neither a prime or a composite number. It can not be
divided by any number, so it would be difficult to classify it as
prime or composite. 0 and 1 are the only numbers that are not prime
and are not composite.
...

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###### Asked in School Subjects, Math and Arithmetic, Prime Numbers, Numbers

### Is 0 and 1 a prime or composite number?

0 and 1 are neither prime nor composite.
No.

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Zero is not a prime number.

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### Which number is not a prime or a composite number?

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137 is a prime number. A prime number has only two factors,
which are 1 and itself. Composite numbers are everything else
except 1 and 0. 1 and 0 are neither prime, nor composite.
It is a prime number
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composite

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composite

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