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One is neither prime nor composite. It is known as the identity element, the unit element and unity. A Prime number has exactly two factors, so 1 cannot be prime because it has only one factor - itself. A composite number has more than two factors, so it cannot be composite.
Zero could have either no factors at all, or infinitely many factors all paired with zero. Because of this ambiguity, it is not considered either prime or composite.
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What two numbers are neither prime nor composite?
0 and 1 are neither prime nor composite.
Why is zero neither prime nor composite?
0 has every number as a factor. 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.
What are all the numbers that are neither prime nor composite?
The numbers 0 and 1; all negatives; all decimals; and all fractions are 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 0 prime or composite?
zero is not prime or compositeIt is neither prime nor composite. See the link.
