Re: ISI INTERVIEW PREP

Posted by komal on Jul 05, 2012; 8:20am
URL: http://discussion-forum.276.s1.nabble.com/ISI-INTERVIEW-PREP-tp7578819p7579111.html

acc. to me, p-q has to be one . it can't be negative. the concept of prime nos. i  think is just for natural no. excluding 1.