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User Name | Thread Name | Subject | Posted |
GUEST,Joe_F | BS: Is minus 2 a Prime Number (37) | RE: BS: Is minus 2 a Prime Number | 07 Feb 06 |
If you are going to allow negative numbers as primes, it is only fair to allow them as factors as well, and that requires complicating the definition, because then (say) -2 does have factors other than itself & 1, viz. -1 & 2. |