Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!emory!ducvax.auburn.edu!eng.auburn.edu!gheim From: gheim@eng.auburn.edu (Greg Heim) Newsgroups: comp.edu Subject: Re: 1 is not prime (Was Re: Subtle Math ...) Keywords: cow prime 1 Message-ID: Date: 24 Apr 91 05:52:14 GMT References: <1991Apr23.144230.14500@mailer.cc.fsu.edu> <51667@nigel.ee.udel.edu> <1991Apr23.175350.29941@kuhub.cc.ukans.edu> Organization: Auburn University Engineering Lines: 24 Nntp-Posting-Host: lab14.eng.auburn.edu >> In article <1991Apr23.144230.14500@mailer.cc.fsu.edu> >> mayne@cs.fsu.edu writes: > >>>Why isn't 1 considered a prime number? Because that's the way we defined it. Definition: The integer p > 1 is a _prime number_, or _prime_, if for any integer a either p|a (a is some integer multiple of p) or p is relatively prime to a (the greatest common factor of p and a is 1) Greg In real life: Greg Heim A/~~\A To you: gheim@eng.auburn.edu ((O O))___ \ / ~~~ # # # (--)\ # #=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#= # # # \ | # #=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#=#= \#// \|/ \\\|||// \#/ \\\||/ \||/// \\#|// \\\\\|||/// \|/ \#