Am I the only one who has noticed that Primo actually seems to run faster under wine than under windows? It doesn't seem to make sense, so I'm thinking it...
2467
Phil Carmody
fatphil@...
Sep 1, 2001 4:19 pm
... Which windoze? I once saw some SETI benchmarks, which showed a _huge_ difference between block times on identical hardware depending on which version of...
2468
paulmillscv@...
Sep 1, 2001 4:28 pm
Hello to all, Thank you for your critical responses to my posting of Fermat's Last Theorem. I have gathered the results together in a notes paper at this...
2469
Chris Nash
chris_nash@...
Sep 1, 2001 5:49 pm
Hi folks, The administrative assistants of many math faculties throughout the world are often deluged with "proofs" of FLT/Goldbach/Riemann/whatever. The only...
2470
Phil Carmody
fatphil@...
Sep 1, 2001 7:59 pm
On Sat, 01 September 2001, "Chris Nash" wrote: [SNIP - sage words on FLT "proofs"] Personally, I view FLT as a) proved already. b) _off-topic_ for a _primes_...
2471
d.broadhurst@...
Sep 1, 2001 11:49 pm
Phil Carmody wrote ... Of which Wieferich's is one. Paul Mills may be excused for being 90 years off the pace, but his reluctance to admit that Wieferich kills...
2472
Hans.Rosenthal@...
Sep 2, 2001 12:17 am
David Broadhurst wrote: [Snip] ... Some less digits from me and some more digits from Giovanni (and from someone else) seem to be likely before Christmas :) ...
2473
Milton Brown
miltbrown@...
Sep 2, 2001 1:00 am
I have just posted to H. Lifchitz PRP page the number 10^10000 + 28579 as a PRP. This with my previous posting of 10^10000 - 22403 produces a prime gap of...
2474
d.broadhurst@...
Sep 2, 2001 1:17 am
Milton Brown wrote ... Apples and oranges! There is no comparison with the gap of Harvey Dubner, which is between *proven* primes. In a week or so, that record...
2475
Milton Brown
miltbrown@...
Sep 2, 2001 1:27 am
By Einstien's relative time I guess you mean "any day now". ... From: <d.broadhurst@...> To: <primenumbers@yahoogroups.com> Sent: Saturday, September...
2476
Norman Luhn
nluhn@...
Sep 2, 2001 12:56 pm
Hi all! My speculation is... When we have the equation 1+p1*p# then we find ever a prime !? Note ! 0<p1<p# and p1 is prime. Here are any examples. primes are ...
2477
paulunderwood@...
Sep 2, 2001 2:33 pm
Hi ... If you mean 1+p(i)*p(n)# for 0<i<=n then n=401 is a counterexample. Or do you mean 0<i<p(n)? ;-) Paul...
2478
d.broadhurst@...
Sep 2, 2001 3:24 pm
Paul Underwood wrote ... n=54 is a smaller one....
2480
Markus Frind
flames@...
Sep 2, 2001 4:50 pm
Sorry i have been away for a while, I used the 2 versions of primeform kicking around. After 5 days of searching i have found another new record, a titanic...
2481
Phil Carmody
fatphil@...
Sep 2, 2001 5:02 pm
... Sieve them using Paul Jobling's NewPGen first. Phil Mathematics should not have to involve martyrdom; Support Eric Weisstein, see...
2482
Markus Frind
flames@...
Sep 2, 2001 5:05 pm
Sorry i forgot to say i was using newPgen. The problem is i have them all in a output file that pfgw generated is there anyway i can use that file as a...
2483
Phil Carmody
fatphil@...
Sep 2, 2001 9:53 pm
... pfgw understands all the old NewPGen headers, so you can just prepend that to the file. However, it also supports the 'ABC' and 'ABC2' file formats which...
2484
Hugo Scolnik
scolnik@...
Sep 2, 2001 10:11 pm
I am interested in knowing more about the Euler´s factoring method (Hans Riesel´s book, second edition, pp. 151-152) for a course in number theory. As you...
2485
d.broadhurst@...
Sep 2, 2001 11:21 pm
Some time ago, in another [*] place, I commented on the Williams-Lenstra proofs for the following primes: V(57724) 12063 Lucas primitive part ...
2486
d.broadhurst@...
Sep 3, 2001 12:23 am
PS: There was a typo in the first table, here corrected: lucasU(287,-1,3079) 7566 Generalized Lucas number primV( 4, 1,7487) 4282 Generalized Lucas...
2487
Hans.Rosenthal@...
Sep 3, 2001 2:47 am
...something about: 10^b+c*10^a+1 b > 1 0 < a < b c in {2,3,5,6,8,9} a, b, c integers ? Hans...
2488
d.broadhurst@...
Sep 3, 2001 3:53 am
Lieber Hans! Ich wußte nicht, daß die Mentalität mit 10 Fingern Deutschland auch ansteckte. David [Babelfish available at: http://world.altavista.com/tr]...
2489
ajw01@...
Sep 3, 2001 5:27 am
... Did someone mention 4,1 ?? Here's a few rules I worked out earlier! P=4, Q=1 U(n)^2=U(n-1)U(n+1) U(2n+1)-1=U(n)V(n+1) U(2n+1)+1=V(n)U(n+1) ...
2490
ajw01@...
Sep 3, 2001 5:35 am
... Oops, lucasV(4,1,18869)/4 is PRP These also have factors of the form 12n+1 which is nice! Andrew...
2491
Hans.Rosenthal@...
Sep 3, 2001 6:07 am
... Now you know. My question may be interesting for prime hunters with less or more than ten fingers as well :) Hans having 0 < fingers < 19...
2492
d.broadhurst@...
Sep 3, 2001 6:34 am
... Yes, indeed! Bouk and I have already mined it deep. Recall we had discrim=12 in our sights a good way back: ...
2493
d.broadhurst@...
Sep 3, 2001 6:52 am
Further to our 13 proofs of titanic primV(4,1,n) numbers Bouk and I can report 5 proofs of titanic lucasU(a,-1,n) a n digs Cmin F1 F2 status 16 1031...
2494
joe.mclean@...
Sep 3, 2001 9:16 am
Using the log(p):g ratio, this comes in at about 0.287, which is better than Milton's but not as good as Jose Luis'. Of course, purely on a size basis it is...
2495
Milton Brown
miltbrown@...
Sep 3, 2001 2:03 pm
They are minimal prime gaps (the gaps can only get larger if either end point is proved not to be prime). Also they are prime gaps with probabilty 99.999.. %. ...
2496
joe.mclean@...
Sep 3, 2001 2:23 pm
Milt, the list doesn't exist yet, but I'll get round to it soon enough - it consists at the moment (in a virtual sense) only of the 5 known runs in excess of...