Message 3049 from Yahoo.Groups.Primenumbers

Return-Path: <miltbrown@...> Return-Path: <jfoug@...> X-Sender: jfoug@... X-Apparently-To: primenumbers@yahoogroups.com Received: (EGP: mail-7_4_1); 30 Sep 2001 16:45:35 -0000 Received: (qmail 37678 invoked from network); 30 Sep 2001 16:45:35 -0000 Received: from unknown (10.1.10.27) by l7.egroups.com with QMQP; 30 Sep 2001 16:45:35 -0000 Received: from unknown (HELO email.kdsi.net) (206.103.112.4) by mta2 with SMTP; 30 Sep 2001 16:45:35 -0000 Received: from nthome (dialin-OM-21.kdsi.net [207.50.5.21]) by email.kdsi.net (8.9.3/8.9.3) with SMTP id LAA11944; Sun, 30 Sep 2001 11:45:32 -0500 Message-Id: <3.0.3.32.20010930114156.007f4bb0@...> X-Sender: jfoug@... X-Mailer: QUALCOMM Windows Eudora Pro Version 3.0.3 (32) Date: Sun, 30 Sep 2001 11:41:56 -0500 To: "Milton Brown" <miltbrown@...>, <primenumbers@yahoogroups.com> Subject: Re: [PrimeNumbers] Re: Prime GAP of 82794 In-Reply-To: <000501c149ce$afe20380$520df4d8@pams> References: <9p7hae+vfkp@...> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" From: Jim Fougeron <jfoug@...>
At 09:40 AM 9/30/01 -0700, Milton Brown wrote: > >Do I understand correctlythat you object to my keeping >my own database and making it available? Absolutely not. An additional database would be a fine addition. I am not sure which of the lines I wrote which you read between, that stated I objected to your keeping a database, oh well, I guess my ignorance shows. Jim. >----- Original Message ----- >From: <jfoug@...> >To: <primenumbers@yahoogroups.com> >Sent: Sunday, September 30, 2001 9:30 AM >Subject: [PrimeNumbers] Re: Prime GAP of 82794 > > >> Why is it "deficient" Milton? Because this example does not fit? >> Well there is not that much special about your find. Yes, it is >> outside of the normal bounds a little, but not too far outside those >> bounds for numbers as large as you are working with. For a pair of >> numbers this size, you need a gap of over 115000 to qualify for Pauls >> list. I see nothing wrong with that, your numbers simply are not >> special enough. You will probably have a hard time finding gaps >> which work if ALL you do is search 10^n-k to 10^n+j. A search like >> you are doing is no better than simply starting at 10^n+1 and >> proceeding forward to 10^n+3, 10^n+5, ... until you find a gap of >> sufficient size. This is a very slow method of search, and for you >> to limit yourself to 10^n-k to 10^n+j you have doomed yourself to this >> method. The method I described in earlier emails can speed up this >> searc by a factor of (D-1) and with D being 10 or more, that means >> that you can search up to 9 times faster. >> >> --- In primenumbers@y..., "Milton Brown" <miltbrown@e...> wrote: >> > >> > Your database seems to be deficient, and its >> > not even published. I think I will make my own. >> > >> > >> > ----- Original Message ----- >> > From: "Paul Leyland" <pleyland@m...> >> > To: "Milton Brown" <miltbrown@e...>; <primenumbers@y...> >> > Sent: Sunday, September 30, 2001 2:00 AM >> > Subject: RE: [PrimeNumbers] Prime GAP of 82794 >> > >> > >> > >> > > There are no prime numbers between >> > > >> > > 10^5020+47311 >> > > >> > > and >> > > >> > > 10^5020-35483 >> > > >> > > yielding a prime GAP of 82794 (or 82795). >> > >> > I make 82794/ln(10^5020+47311) about 7.163. >> > >> > Well short of the 10.0 needed to get on my top-20 page. The latter, >> > BTW, is now under construction and I hope to make it public within >> > a day or two. >> > >> > Paul
Message 3031 Message 3039 Message 3045 Message 3047 Message 3048 Message 3054

Message 3091 Message 3093 Message 3094 Message 3095 Message 3096 Message 3113 Message 3160