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Mathematics 7 Online
OpenStudy (anonymous):

explain why the number 1 is neiher prime nor composite.

OpenStudy (vishal_kothari):

1 is not either because it is part of the definition of both terms (eg. prime numbers are those in which the only two factors are themselves and 1). For that reason we exclude 1 because it cannot have any other positive whole number factor other than itself because it is the smallest positive whole number....

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