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primenumbers · Prime numbers and primality testing

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  • Members: 1090
  • Category: Number Theory
  • Founded: Dec 27, 2000
  • Language: English
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Messages 10091 - 10121 of 25083   Oldest  |  < Older  |  Newer >  |  Newest
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10091 mikeoakes2@...
mikeoakes2 Send Email
Dec 1, 2002
9:31 am
In a message dated 01/12/02 01:58:39 GMT Standard Time, ... How nice to have one's work corrected and rounded out by another - especially when the answer...
10092 Payam Samidoost
samidoost Send Email
Dec 1, 2002
11:41 am
... Please, David, use more kind words than _plunder_. We must reconciliate both parties not to ignite a new conflict. (1) First of all, you can see my...
10093 Yves Gallot
galloty@... Send Email
Dec 1, 2002
2:53 pm
... I thought that the code that runs on client is just a PRP test... then how it could have identified a prime? ... Who is 'we' and how? If they make the...
10094 nrussell@...
pakaran42 Send Email
Dec 1, 2002
3:35 pm
--On Sunday, December 01, 2002 3:57 PM +0100 Yves Gallot ... Would I be truly evil if I were to help SB out by "discovering&quot; this number tomorrow? It would...
10095 David Broadhurst
djbroadhurst Send Email
Dec 1, 2002
6:01 pm
Thanks, Payam, for explaining the status of k=4847. ... This agrees with one of the premises in my question. ... This agrees with the other. David...
10096 sander3005 Send Email Dec 1, 2002
6:10 pm
... But the 5 largest known primes were discovered this way...
10097 Payam Samidoost
samidoost Send Email
Dec 1, 2002
6:41 pm
Yves ... that ... computer. The context of their message shows _clearly_ that they have checked the primality using one of the following softwares: (a) your...
10098 nrussell@...
pakaran42 Send Email
Dec 1, 2002
6:45 pm
--On Sunday, December 01, 2002 6:10 PM +0000 sander3005 ... Those 5 primes were discovered by people who knew which numbers they were testing, and could have...
10099 gll
glong62@... Send Email
Dec 1, 2002
7:00 pm
I would like for you real mathematicians to tell me if this approach has any promise, or is it like so many others which seem plausible only to turn out to be...
10100 sander3005 Send Email Dec 1, 2002
7:07 pm
... The discoverer of the PRP also knew what number he was testing. I don't see how thats different with GIMPS ... Thats true, but it would be very inefficient...
10101 Juan Ignacio Casaubon
jicasaubon Send Email
Dec 1, 2002
7:29 pm
Hi, I am physicisc, I do not want so much the Nobel Price. It is a very poor price for me. The only I want is to learn something of twin primes in this egroup....
10102 David Broadhurst
djbroadhurst Send Email
Dec 1, 2002
8:14 pm
... indeed...
10104 Jon Perry
jon_perryuk Send Email
Dec 1, 2002
9:30 pm
A challenge...find the longest/highest sequence of primes with strict gaps of 2^k. e.g. 6k-1, 6k+1, 6k+5, 6k+13, 6k+29, 6k+61, 6k+125 Jon Perry ...
10105 David Broadhurst
djbroadhurst Send Email
Dec 1, 2002
10:13 pm
... how about k=639523, for really weedy start?...
10106 Yves Gallot
galloty@... Send Email
Dec 1, 2002
10:32 pm
... It's not clear for me and the goal of a proof is to convince other people. Something like: "The primality of the number was proved with Proth's theorem for...
10107 gchil0 Send Email Dec 1, 2002
10:37 pm
Hi, ... prime is, ... human ... prime is. One could equally well argue that with your wonderful software (and many others), you have taught the computer how to...
10108 gchil0 Send Email Dec 1, 2002
10:45 pm
Hi, There seems to be a lot of resentment and mis-information floating around on both sides, while only 1 side seems to be represented on this list. Please...
10109 David Broadhurst
djbroadhurst Send Email
Dec 1, 2002
11:18 pm
... How does that help to cool things down? David (unpoisioned mind)...
10110 gchil0 Send Email Dec 2, 2002
2:43 am
David: Yes, there is a lot of resentment around...I warned you about that. The messages also contain: "I feel especially bad for Phil as I did use his...
10111 David Broadhurst
djbroadhurst Send Email
Dec 2, 2002
3:39 am
On a lighter note, I was reading http://www.heise.de/newsticker/data/as-29.11.02-000/ ... Here, with a couple of years of schoolchild german from a long way...
10112 William Garnett III
wfgarnett3 Send Email
Dec 2, 2002
4:38 am
Congratulations on finding this prime!! This is a huge mathematical discovery, eliminating one more candidate in the Sierpinski problem. william ... their...
10113 liufs
liufs@... Send Email
Dec 2, 2002
5:53 am
... => an infinite number ... => no balls. ... Now I discovered that the trap is Q) At time t>1, how many balls are there in the bucket?. We modify the Q) to...
10114 Payam Samidoost
samidoost Send Email
Dec 2, 2002
7:57 am
... Thanks William. It appears that almost all of the people on both sides have forgotten this remarkably great fact ;o) and are paying more attention to ...
10115 Paul Jobling
paul_joblinguk Send Email
Dec 2, 2002
9:52 am
Well, I have read the correspondence, and I have to say that there seems to be a little fault on both sides - from this group there has been some carping and ...
10116 Ken Davis
kraden Send Email
Dec 2, 2002
1:05 pm
Hi All, I must say that it distresses me greatly to see such rancour amongst such great minds. I never realised that people were reserving( proclaiming...
10117 David Broadhurst
djbroadhurst Send Email
Dec 2, 2002
3:17 pm
[Please note new title, for change of focus.] We do not yet know whether 46157*2^698207+1 is a Keller prime [not yet proven] i.e. whether 46157*2^n+1 is...
10118 Nathan Russell
pakaran42 Send Email
Dec 2, 2002
3:49 pm
46157*2^698207 + 1 is prime ! (a = 3) [210186 digits] Verification with another base will take about 11 hours. Nathan...
10119 Jon Perry
jon_perryuk Send Email
Dec 2, 2002
7:28 pm
? p=3837137;c2=2;while (isprime(p),print1(p,",");p=p+c2;c2=c2*2) 3837137,3837139,3837143,3837151,3837167,3837199,3837263, ? Confirmed. Jon Perry ...
10120 Jon Perry
jon_perryuk Send Email
Dec 2, 2002
7:42 pm
? default(primelimit,10000000) primelimit = 10000000 ? forprime(p=3837137,3837137+126,print1(p",")) ...
10121 David Broadhurst
djbroadhurst Send Email
Dec 2, 2002
8:46 pm
Oh dear, I should have read the title: "gaps" ! Humble apologies, Jon, those weren't ever supposed to be successive. That's far too hard for me. David...
Messages 10091 - 10121 of 25083   Oldest  |  < Older  |  Newer >  |  Newest
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