Identify each number as prime, composite or neither: 1
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zero is not prime or compositeIt is neither prime nor composite. See the link.
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.
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1 is not a compositenumber, it is an odd number
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.