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Actually, 1 is composite. As for 0: "Zero has an infinite number of divisors (any nonzero whole number divides zero). It cannot be written as a product of two factors, neither of which is itself, so zero is also not composite. It falls in a class of numbers called zero-divisors. These are numbers such that, when multiplied by some

nonzero number, the product is zero. " -Dr. Rob, the math forum

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Q: Why 1 and 0 are not prime number nor composite number?
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Related questions

Is 0 and 1 a prime or composite number?

0 and 1 are neither prime nor composite. No.


Which number is not a prime or a composite number?

1 is neither prime nor composite.


Which number are neither prime or composite?

0 and 1 are neither prime nor composite.


Which number is not a prime nor composite number?

1 and 0.


The number 0 is a prime number?

No, like 1, 0 is neither prime nor composite.


Is 0 or 1 a prime number?

1 is a prime number, but 0 is neither a prime number nor a composite number.


Is 1 a prime composite or neither?

1 is not considered to be a prime or a composite number


Is 576 a prime or composite number?

576 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.


Why is 0 neither prime or composite?

A prime number has two factors. A composite number has more than two factors.Since 0 has no factors, it is neither prime nor composite.


Is 0 a composite number?

A composite number has more than two positive integer factors. A prime number has exactly two positive integer factors. 0 is therefore neither prime nor composite. It is not "composed" of any factors.Zero (0) is neither composite nor prime.


Is 1 a prime number--why?

1 is neither a prime, nor 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.


Is a 1 a prime or comsite number?

1 is neither a prime, nor 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.