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Messages 19189 - 19226 of 21093   Oldest  |  < Older  |  Newer >  |  Newest
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19189
I have been studying prime reciprocals in binary, but I am still fairly novice to number theory. I would like to understand if there is a proof for the...
Jeff Huth
jeff_huth
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Jan 1, 2008
9:20 am
19190
... Information on /unique period primes/ should help you. Think about the process of performing the division by hand, and compare that to the concept of the...
Phil Carmody
thefatphil
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Jan 1, 2008
12:53 pm
19191
Many thanks to everyone who made an effort to earn the prizes of CONTEST! AND CONTEST++, but the deadline is about to pass with no winning entries.If you are...
aldrich617
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Jan 2, 2008
4:24 am
19192
I've been experimenting with a couple of algortihms over the past few days and have developed a curious little program for generating sequential prime numbers,...
Kevin
codefinda
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Jan 3, 2008
12:37 am
19193
Perhaps this is a new constant for the Riemann Zeta function for prime numbers where it is written as the sum of sin, cos, and sum(-1)^r/r^(1/2) This constant...
miltbrown@...
Send Email
Jan 3, 2008
3:42 pm
19194
hi. i need help with ubasic. how do i write a double loop properly... for example: for I=0 to 100 for J=0 to 100 if p(i,j)is true then cancel for,for: goto ......
Jenny Cruz
payoy18
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Jan 4, 2008
2:00 am
19195
Hi All, Not sure how to go about listing them but the TPS searchers have 2 more AP3's among their findings 01808289789*2^333333-1 100353 L212 Mar 2007 ...
Ken Davis
kradenken
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Jan 4, 2008
5:13 am
19196
... The loop itself is fine, but the values of I and J are available only within their respective loops yet your print statement is outside both.. I suggest...
Paul Leyland
xilmanuk
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Jan 4, 2008
10:22 am
19197
From: primenumbers@yahoogroups.com on Behalf Of Ken Davis ... I wondered if anyone was checking those! These comments can only be added manually right now (if...
Chris Caldwell
primemogul
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Jan 4, 2008
2:50 pm
19198
... You can use something as this: list 10 Op=0 20 for I=1 to 100 30 for J=1 to 100 40 if I=50 and J=50 then cancel for:Op=1:goto 60 50 next J 60...
Ignacio Larrosa Ca...
ilarrosa
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Jan 6, 2008
9:13 pm
19199
I was trying to discover what I thought should be a simple thing, about primes the other day. Is there a way of calculating, for any PI(x) (within reason),...
Bob Gilson
bobgillson
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Jan 7, 2008
6:22 pm
19200
... http://www.ieeta.pt/~tos/primes.html Best, Andrey [Non-text portions of this message have been removed]...
Andrey Kulsha
andrey_601
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Jan 7, 2008
8:50 pm
19207
First of all, I can't use English well. However I believe one simple thing that mathematics's notes go through the whole world. I suggest some algorithm...
ban2703
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Jan 9, 2008
3:30 am
19208
... Looks like Eratosthenes....
Werner D. Sand
theo2357
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Jan 10, 2008
3:30 pm
19209
... about primes the other day. ... proportion in percentage terms the twin primes play their part? ... total primes. ... not to be repeated later. ... decline...
Werner D. Sand
theo2357
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Jan 10, 2008
4:36 pm
19210
Generalization of difference of squares factoring. One method of searching for factors is to find A such that A^2 - z = c^2. Then having found A and C, we...
Kermit Rose
kermit1941
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Jan 10, 2008
4:42 pm
19211
I discovered this simpler proof of the generalization that also gives added insight into its limitations. z = t^s - s^2 z + s^2 = t^2 z + s^2 - (t - A)^2 =...
Kermit Rose
kermit1941
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Jan 11, 2008
6:34 pm
19212
i hope it isn't too much to ask help again...can you please help me convert this ubasic code to a pari/gp program... i always get errors:( 10 'algorithm for...
payoy18
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Jan 14, 2008
1:54 pm
19213
Hello, try this: 10 'algorithm for finding solutions to the equation -x^4+4*p*y^4= z^2' 20 input "Input p";Cc 30 for I=1 to 50000 40 for J=1 to 50000 ...
Norman Luhn
nluhn
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Jan 14, 2008
2:41 pm
19214
Congrats to Rich for his find: http://primes.utm.edu/primes/page.php?id=83650 with 999,997 decimal digits! He had previously found a 999,744 "digiter" for...
Paul Underwood
paulunderwooduk
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Jan 15, 2008
5:41 am
19215
oh i meant that i want to write the ubasic program below in pari/gp since i believe it candle bigger numbers...:) ... Wissenswertes für Bastler und Hobby...
payoy18
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Jan 15, 2008
11:29 am
19216
Hi Not sure about your Ubasic code but this sems to do what you want in pari. Even if it isn't it should help with your syntax problems \\ 'algorithm for...
Ken Davis
kradenken
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Jan 15, 2008
2:00 pm
19217
OK, It was late in OZ try this instead \\ 'algorithm for finding solutions to the equation -x^4+4*p*y^4= z^2' { input(); forstep(ii=1,50000,1, print(ii); ...
Ken Davis
kradenken
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Jan 16, 2008
1:21 am
19218
And finally, you can include a forprime loop with with output to a file. The following does all primes < 1000 (limit on ii and jj =1000) cheers Ken \\...
Ken Davis
kradenken
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Jan 16, 2008
2:44 am
19219
Hello to all, my name is Lorenzo Nencini (from Italy), I made a discovery: I think I have found a sieve more better than "the Sieve of Eratosthenes". I am not...
Lorenzo Nencini
l.woland
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Jan 19, 2008
1:11 pm
19220
... Ciao, Lorenzo! Se vuoi mostrarci la tua scoperta e ricevere commenti e cosiderazioni, basta inviarla in mailing list. Hi, Lorenzo! If you want to show your...
Bernardo Boncompagni
redgolpe
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Jan 19, 2008
2:27 pm
19223
Define kv(w) as the number of primes that can be packed into an interval of 'w' consecutive integers. This value is not a maximum because denser patterns are...
Tom
thoeng
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Jan 26, 2008
5:54 pm
19224
Forgot the http prefix, Updates http://www.opertech.com/primes/updates.html Summary http://www.opertech.com/primes/summary.txt Plot...
Tom
thoeng
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Jan 26, 2008
6:00 pm
19225
Fixed typing errors and fixed links - sorry for repost. Define kv(w) as the number of primes that can be packed into an interval of 'w' consecutive integers....
Tom
thoeng
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Jan 27, 2008
12:57 pm
19226
to anyone, the number of Fermat 'primes' is finite... a subjective conclusion. Fermat 'primes' must satisfy two 'modulo' conditions, simultaneously, to exist. ...
leavemsg1
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Jan 28, 2008
3:13 pm
Messages 19189 - 19226 of 21093   Oldest  |  < Older  |  Newer >  |  Newest
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