Question

Is the number 1 prime, composite, or neither?

Answer 1

Answer:

The only factor of 1 is 1. A prime number has exactly two factors so 1 isn't prime. A composite number has more than 2 factors, so 1 isn't composite.

Answer 2

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The only factor of 1 is 1. A prime number has exactly two factors so 1 isn't prime. A composite number has more than 2 factors, so 1 isn't composite.