
View Poll Results: Do we need a thread for Prime data collecting?  
Yes  12  100.00%  
No  0  0%  
What ever.  0  0%  
Voters: 12. You may not vote on this poll 

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20081022, 17:11  #12 
Just call me Henry
"David"
Sep 2007
Cambridge (GMT)
5,647 Posts 
i have always thought that this forum needs a general prime searching subforum like the factoring subforum

20081022, 22:40  #13  
I quite division it
"Chris"
Feb 2005
England
100000011101_{2} Posts 
Quote:


20081022, 23:57  #14 
I ♥ BOINC!
Oct 2002
Glendale, AZ. (USA)
3×7×53 Posts 
I'm not sure what DATA you all are talking about, but if it needs to be in the NPLB or CRUS databases we started for stats, then /waves hand ;)

20081023, 00:38  #15 
May 2007
Kansas; USA
5×2,017 Posts 
I've reread this thread in more detail and realized I was in error in assuming that it was intended for the collection of results. It's more about collection of DATA regarding prime searching.
I started to compile a list of all k's 3001001 with the number of primes for each that NPLB has found with some interesting info. about each like: k=xxx; x # of primes; x # of even primes, x # of odd primes; x primes for n==(0 mod 3); x primes for n==(1 mod 3), etc. The distribution of nvalues for primes in specific k's is quite fascinating and relates to conversion to different bases at CRUS. Ultimately I found I just didn't have time to get into such detail. But anything like that that shows strange patterns and anomolies would be very interesting to compile and would encourage others to search unusual k's or ranges more to see if patterns hold. I shall definitely vote for this effort. One more thing: Perhaps we should start a 'choose your own k' thread like RPS has. Not to pilfer what they are doing but to collect info. on searched ranges for random k's that wouldn't necessarily be otherwise reported; exactly like what Flatlander has done here with his k=14001500 effort. Perhaps we could call such a thread "report randomly searched k's and nranges" or simply "statuses on random prime searches". The thread could be for ANY kind of prime search, including other bases, Proths, PRP's like for k*2^n3 or +3, etc. One thing that I would add to such a thread right away: I searched all k<20 up to n=150K for the forms 2^nk and 2^n+k about a year ago. I reported several PRP's to the top10000 PRP site at the time including finding a missing PRP in the 3 form. I think I still have my sieved file that goes up to n=200K on it. Let me know what you guys think. Gary 
20081023, 07:26  #16  
Apprentice Crank
Mar 2006
454_{10} Posts 
Quote:
Riesel base 2 primes should come first if storage concerns are a major issue. If it's not, then it's perfectly fine to include primes of other bases and Proths. 

20081023, 08:02  #17 
Mar 2006
Germany
2^{2}·691 Posts 
the intention of the new forum/thread is to collect primes/ranges of people not working for a special project or different types of primes:
for example there're people searching for prime of the form k*2^n1 (yeah, Riesel numbers too) with n equal to a Mersenne prime n so called a General Mersenne Prime (example: 755061*2^7568391 for M32). i know that's the best way of all is to collect all information about any k/base/n and results(RES64),ranges and stats like Gary mentioned. i begun to collect data for the Riesel side, i hope there'll be someone to make a page for Sierpinski. other bases collected at CRUS. but it's too much to do for only one person to handle all. automatisms needed for those purposes but this needs also manpower and systemresources. so for the beginning the most searched numbers Riesel and Sierpinski at base 2 are a good choice. for myself i collect all the results for tested ranges namely the RES64/primes/sieved files for any k for later verification. so where is the one managing the Sierpinski side? i'll continue the Riesel ones and that's work/fun enough for one person and there're many many info. i've not included yet! 
20081126, 12:26  #18 
Mar 2006
Germany
2^{2}·691 Posts 
this vote is without any new opinions and there're many people whising such a new thread.
i informed the forum admin (Mike) to make a new thread available. hope this will come the near future! Karsten 
20081127, 01:55  #19 
"Mike"
Aug 2002
2^{2}·5·373 Posts 
Since it is a new "baby" forum, how about we start it here:
http://www.mersenneforum.org/forumdisplay.php?f=89 As time goes on we can evaluate a better place for it. Does this sound okay? 
20081127, 09:27  #20 
Mar 2006
Germany
2^{2}×691 Posts 
that's great and ok for me.
see what the future will bring and then you can put the thread on a higher place thanks a lot for creating this. now i have to fill it with some 'life'! 
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