how can u you say that 1 does not belong to the set of prime numbers?

Asked by  | 29th Jun, 2011, 12:00: AM

Expert Answer:

A number is said to be prime if it has exectly two factors one and itself.
But 1 has only one factor and that is 1.
So 1 is not a prime number.

Answered by  | 29th Jun, 2011, 11:29: AM

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