Re: ISI INTERVIEW PREP

Posted by neha on Jul 05, 2012; 9:25am
URL: http://discussion-forum.276.s1.nabble.com/ISI-INTERVIEW-PREP-tp7578819p7579114.html

Actually i took -ve numbers like -13 as prime numbers (which has been refuted )and hence got -1 as well. but i guess thats not true.. so just 1 it is.

but why -ve are not prime,,,