Question

hey guys , i need a reason why 1 can not be a prime number

Answer 1

other than the obvious that it can only multiply itself

Answer 2

well, does it fit the definition of a prime number? or not :)

Answer 3

1 is the multiplicative indentity; so I think if anything is plays by different rules. just a guess

Answer 4

A prime is defined as having exactly one divisor apart from one.

Answer 5

O and 1 are neither prime nor composite, it's undefined.