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Darrell
Posts:
251
Registered:
12/6/04


Re: smallest positive integer
Posted:
Sep 4, 2007 11:32 PM


"Darrell" <dr6583@comcastsnip.net> wrote in message news:N6WdnZ5jzfWVgEPbnZ2dnUVZ_r6rnZ2d@giganews.com... > "chuck" <noemail@gmail.com> wrote in message > news:fbl522$epb$1@geraldo.cc.utexas.edu... >> Hi, >> I am taking a number theory class right now and this is the first math >> class I have taken in quite some time. I just looking for a way to start >> this problem. >> >> show that if a and b are positive integers, then there is a smallest >> positive integer of the form >> a  bk, k is element of Integers >> >> So, I guess i don't quite understand what the smallest positve integer >> has to do with a and b in this case, or how they are related. my thought >> is that k should equal 1 . > > Consider a=b. Check the wording of the problem. > > For argument sake I will assume a!=b. Since the smallest positive integer > is 1, you can always make abk=1 by letting ab=1 and k=1. IOW, a=b+1 > or b=a+1 with k=+/ 1 > accordingly.
Strike that. I don't think that's correct. Those are specific, not general, cases. I yield further advice to those more qualified.
 Darrell



