Okay, Dave, but what about the other half of the conjecture that all primes may be generated from 1 in such manner, despite creating many composites? Can you...
1602
Murad AlDamen
morad2000@...
Jul 1, 2001 4:55 pm
Hola AmiGos In this paper I will define a new constant first let S (n) is the sum of primes 2+3+4+...+p (n). Note that if I don't put the product symbol * then...
1603
d.broadhurst@...
Jul 1, 2001 5:32 pm
... Also false, I believe. Consider the prime q=103. I can see no way of writing either 51 or 52 in the form p^a+p^b. David (not Dave:-)...
1604
d.broadhurst@...
Jul 1, 2001 6:51 pm
... Yes that PrP does rather appeal, thanks Milton! Pity that it will not get into Curios within the next few months, at least. ... Perhaps pigs might fly. ...
1605
Yves Gallot
galloty@...
Jul 1, 2001 9:16 pm
The C source code of "GeneFer" can be downloaded at http://perso.wanadoo.fr/yves.gallot/primes/download.html ...
1606
Andrey Kulsha
Andrey_601@...
Jul 1, 2001 9:28 pm
Hello! ... Why? Best wishes, Andrey...
1607
d.broadhurst@...
Jul 1, 2001 9:37 pm
Thanks Yves I downloaded genefer.c and typed ... But then I got: ld: Unresolved: ceil cos fabs floor log pow sin sqrt Excuse my extreme naivety, but how do do...
1608
Yves Gallot
galloty@...
Jul 1, 2001 9:45 pm
... You should link with the mathematical library: cc genefer.c -lm and it is better to optimize the code: cc genefer.c -O -lm Yves...
1609
Hans.Rosenthal@...
Jul 1, 2001 11:26 pm
Jim, While reading the Cert_Val logfile I found a typo in Certificate for this number was FULLY validated! Total time used to validate certifiate: 2h 34mn...
1610
d.broadhurst@...
Jul 1, 2001 11:30 pm
... That compiles, thanks! But it appears that the executable has problems on a DecAlpha. Yves and I hope that maybe Phil will fix these while he is reducing...
1611
d.broadhurst@...
Jul 1, 2001 11:33 pm
I told Jim months ago. But it was kept as feature: only mispelt certs are genuine! David...
1612
d.broadhurst@...
Jul 2, 2001 12:00 am
... Here is the fourth: (9926^2521-1)/9925, with 10,072 digits, is prime The Konyagin-Pomerance certificate will appear shortly, at Andy's site. David...
1613
Milton Brown
miltbrown@...
Jul 2, 2001 12:08 am
Because it would take at least 2 months to certify, presumably. ... From: "Andrey Kulsha" <Andrey_601@...> To: <PrimeNumbers@YahooGroups.com> Sent: Sunday,...
1614
jmvolpe@...
Jul 2, 2001 12:15 am
Hello: Mi name is Juan Volpe and I like prime numbers too. I´ve studied prime numers and I foud that every pair of primes only 2 apart are like 6n +-1 e.g....
1615
Jud McCranie
jud.mccranie@...
Jul 2, 2001 12:30 am
... No, this is easy. If the two numbers weren't 6n+/-1 then one of the numbers would be 6n+3. But if it is 6n+3 then it is divisible by 3. So if n=0 then...
1616
Nathan Russell
nrussell@...
Jul 2, 2001 12:41 am
... Might one say there are no arbitrary constants involved? grin/duck/run Nathan...
1617
MICHAEL HARTLEY
Michael.Hartley@...
Jul 2, 2001 2:21 am
To: Alan Powell <powella@...> Copies to: primenumbers@yahoogroups.com From: Bill Krys <billkrys@...> Date sent:...
1618
MICHAEL HARTLEY
Michael.Hartley@...
Jul 2, 2001 2:46 am
To: d.broadhurst@... Copies to: primenumbers@yahoogroups.com From: Bill Krys <billkrys@...> Date sent: Sun, 1...
Next puzzle: Why is EIS sequence ID Number: A033227 Sequence: 43,103*,139*,157*,181,277,367*,439*,523,547, 607*,673*,751*,823*,991*,997*... Name: Primes...
1621
John McNamara
mistermac39@...
Jul 2, 2001 9:52 am
This conjecture if true will be able to determine whether any number 1mod10 or (-1)mod10 is prime or not. Let a and b be two relatively prime numbers called a...
1622
Andrey Kulsha
Andrey_601@...
Jul 2, 2001 9:57 am
Hello! ... It isn't the reason. If you find enough curious properties of this number, G.L. Honaker perhaps will publish it even if it's only a PRP. Best...
1623
G.S. Chaffey
amtgsc@...
Jul 2, 2001 12:28 pm
Does anybody know if there is any organised search for primes of the form k*3^n+-1?...
1624
Chris Caldwell
caldwell@...
Jul 2, 2001 2:27 pm
... (just reading through a massive pile of mail now that I am back) Yes indeed, the sign restriction was just to make the statement easier. Pedantic...
1625
Phil Carmody
fatphil@...
Jul 2, 2001 2:28 pm
... (Reading mail in reverse order, as always) David mentioned something about Alpha problems. #ifdef _MSC_VER typedef __int32 Int32; typedef unsigned __int32...
1626
Bill Krys
billkrys@...
Jul 2, 2001 2:30 pm
Hello, 1. take any number, factor it to the primes; e.g.8=2*2*2. 2. calculate the surface area; e.g. 6*(2*2)=24 3. add or subtract 1; e.g. 24-1=23 4. get a...
1627
Jack Brennen
jack@...
Jul 2, 2001 2:42 pm
... Actually, Chris, the word "pedantic"; was wrong on my part, as it may have a negative connotation, which was certainly not intended. My intent was to say...
1628
Milton Brown
miltbrown@...
Jul 2, 2001 3:36 pm
Here are some primes and probable primes of the form 10^x + 4321 x = 2, 4, 9, 14, 28, 33, 44, 52, 58, 170, 309, 445, 838, 879, 1276, 2532, 3724, 5218, 6770...
1629
joe.mclean@...
Jul 2, 2001 3:51 pm
The e-mail below is just about the most useless posting ever made to the primenumbers mailing list - except for this one (I apologise for letting my guard...
1630
Bill Krys
billkrys@...
Jul 2, 2001 4:04 pm
oops, sorry: 6*19^2 is 1 example. Bill ===== Bill Krys Email: billkrys@... Toronto, Canada (currently: Beijing, China) ...
