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Messages 4200 - 4229 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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4200
While submitting three new primes to the primes database, I found some other submissions with well-known to me Proth bases (but _new_ primes): rank...
Hans.Rosenthal@...
prime13117532
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Mar 1, 2004
11:26 pm
4201
Hans, did you ever hear of a guy called Vladimir Ilich Ulyanov whose name might now be invoked as an alias?...
David Broadhurst
djbroadhurst
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Mar 2, 2004
5:29 am
4202
... "Ulyanov" in Russia is as _rare_ as "Smith" or "Miller" in the rest of the world. I was asking for the e-mail address of the prime hunter V. M. Ulyanov,...
Hans.Rosenthal@...
prime13117532
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Mar 4, 2004
1:15 am
4203
Today, when checking the number '54' repeated 26744 times concatenated with a '7', I saw the following error appearing on screen and that I encountered for the...
Patrick De Geest
patrick_degeest
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Mar 6, 2004
3:44 pm
4204
The verification was cancelled. It should work if you rerun it with -a1 or -a2. Also, you may want to try using a later version of pfgw available in the...
gchil0
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Mar 7, 2004
7:15 pm
4205
I've been playing around, doing some reading and looking at a few different resources, and I've managed to piece together a program that seems to do well where...
Ralph Twain
ratwain
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Mar 7, 2004
9:05 pm
4206
Ralph, ... Try pressing the button ... at http://primes.utm.edu/~caldwell/primes/search.php Best regards David...
David Broadhurst
djbroadhurst
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Mar 7, 2004
9:37 pm
4207
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the primeform group. File : /Probable...
primeform@yahoogroups...
Send Email
Mar 7, 2004
11:10 pm
4208
The file http://groups.yahoo.com/group/primeform/files/ Probable%20Primes/edwin2.txt ... is my response to a query by Prof. Edwin Clark, in another place. I...
David Broadhurst
djbroadhurst
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Mar 7, 2004
11:24 pm
4209
... That list has only 135 primes I can test with my program. An awful lot of the primes on the list use primorials, Phis, Lucas numbers, partition numbers,...
ratwain
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Mar 8, 2004
9:24 pm
4210
... Congrats! I suggest you contact, off-list, Phil-Carmody-the-silent, who really likes linux applications that break the mould. Best wishes David Note to...
David Broadhurst
djbroadhurst
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Mar 8, 2004
10:36 pm
4211
A puzzle for (most of) you. ;) Hans PS: Downward-search ongoing :)...
Hans.Rosenthal@...
prime13117532
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Mar 10, 2004
2:30 am
4212
http://groups.yahoo.com/group/primeform/files/LucasFib/running/ indicates the progress that Bouk and I have made since the inception of ...
David Broadhurst
djbroadhurst
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Mar 12, 2004
2:29 am
4213
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the primeform group. File : /Sieving...
primeform@yahoogroups...
Send Email
Mar 14, 2004
7:59 pm
4214
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the primeform group. File :...
primeform@yahoogroups...
Send Email
Mar 14, 2004
8:26 pm
4215
Hello, Group. I am sure that most members of this group have seen computer programs which produce the ordered sequence of prime numbers... but a friend of...
William Bouris
melangebillyb
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Mar 14, 2004
8:27 pm
4216
They are not all prime except for multiples of 5! If k=25 then k is odd and (k+2/3)*3 = 77 = 7* 11. This can not possibly produce all primes Since 3k+2 is not...
Milton Brown
miltbrown@...
Send Email
Mar 15, 2004
2:58 am
4217
The "Prisoner" program downloaded in the Bouris-Garcia-Ruiz folder predicts all escape numbers necessary to avoid printing non-primes... k = 25 is another and...
William Bouris
melangebillyb
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Mar 16, 2004
12:03 am
4218
Milton, Only the lower left triangle of the Escape Matrix is calculated and traversed... col's 5 7 11 13 17 19 23, etc.(primes) ...
William Bouris
melangebillyb
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Mar 16, 2004
1:41 am
4219
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the primeform group. File :...
primeform@yahoogroups...
Send Email
Mar 16, 2004
1:26 pm
4220
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the primeform group. File :...
primeform@yahoogroups...
Send Email
Mar 16, 2004
1:27 pm
4221
Hello again, Group. Some members of this group may have also seen computer programs which produce the next prime number after some given number has been...
William Bouris
melangebillyb
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Mar 16, 2004
1:37 pm
4222
Hello again, Group. One last one... an algorithm... "NthPrime" that I thought up last night, programmed this morning, and tested... it's very quick... it uses...
William Bouris
melangebillyb
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Mar 16, 2004
1:48 pm
4223
Looking through the source I noticed the PRMSIEVE suite and I was wondering if PFGW can do presieves like NewPGen can. Does anyone know of this? Regards, Ian...
peter_v44
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Mar 17, 2004
8:15 am
4224
Hello everyone, I am a prime enthusiast and this is my first post here. I believe I have stumbled onto a prime not currently listed in Caldwell's list and am...
pyrodave
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Mar 17, 2004
6:51 pm
4225
... in ... mersenne ... Hi, this can be rewritten as 2^n1+2^n2-2^n3-1. How big is the number you are looking at? If it is say under 2000d it can be proven...
andrew_j_walker
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Mar 17, 2004
11:31 pm
4226
Computer: Intel Pentium II 333 MHz OS: Windows 95 NewPGen: 2.82 BETA 2003-08-15 Base: 99999 n: 99999 kmin: 2 kmax: 100000000 Type: k.b^n+1 ... 21:32:14 2680637...
Hans Rosenthal
prime13117532
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Mar 17, 2004
11:54 pm
4227
... PFGW can trial factor a number before primality testing it, if you use the -f<%> option. Regards, Paul. __________________________________________________ ...
Paul Jobling
p_jobling
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Mar 18, 2004
9:59 am
4228
10-trillionth prime number less than 323,328,496,139,926? I have a bet with a friend that it is less than that but cannot verify it. Bill Do you Yahoo!? ...
William Bouris
melangebillyb
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Mar 18, 2004
4:53 pm
4229
... Tomás Oliveira e Silva says at http://www.ieeta.pt/~tos/primes.html in the file http://www.ieeta.pt/~tos/primes/pi_11.txt.gz : x pi(x) 3.237e14...
Jens Kruse Andersen
jkand71
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Mar 19, 2004
12:09 am
Messages 4200 - 4229 of 9803   Oldest  |  < Older  |  Newer >  |  Newest
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