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# Why isn't 1 a prime factor?

Updated: 8/28/2023

Wiki User

8y ago

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.

Wiki User

11y ago
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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Wiki User

10y ago

One is a multiple and a factor.

Wiki User

8y ago

Because it isn't a prime number.

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