20040820, 14:51  #1 
Sep 2002
2·131 Posts 
Low weight stats page.
Since <300k is almost completed, I would like to set up a page on low weight candidates of the form k*2^n1 . If you could just tell me what work you have done on these. It would be nice not to duplicate work.
Joss Last fiddled with by jocelynl on 20040821 at 12:16 
20040823, 10:47  #2 
Nov 2003
2·1,811 Posts 
I haven't done any work on lowweight k's but I was thinknig to propose that we process one real but small 15k to 1M like k=15, 45, 75 or 105. After sieving such k's produce too many candidates for a single cruncher to process, but potentially they hide a good deal of primes so if we do it together there are good chances that many of us will find a large prime. With the latest LLRP4 I think it can be done in a reasonable amount of time. What do you say?

20040823, 15:58  #3 
Sep 2002
2·131 Posts 
I guess Mark could set up a team for some low 15k like he has done with 210885 and 2995125705. With the new LLRP4, k=15 seems a good choice. Robert has been working on it for some times. We should ask him for team work first.
Joss 
20040902, 10:44  #4 
Sep 2002
2·131 Posts 
This is our first top5000 prime on Low Weight Candidate
3817*2^2189171 It's a start! Joss 
20041116, 19:54  #5 
Feb 2003
11101110100_{2} Posts 
I'm just announcing the find of two (big) primes of low weight k:
209826493*2^11408551 (ranking at position 50 of the Top5000!) 209826493*2^10713031 (found a few months earlier)  Thomas L10 
20041116, 21:09  #6 
Jun 2004
2×53 Posts 
Wow thomas!!
Congratulations on your 2 big primes!!!! Good work!!!! 
20041117, 17:53  #7 
Sep 2002
2·131 Posts 
These should had some weight to our project!
Great work Thomas ! Joss 
20041212, 15:35  #8 
Feb 2003
2^{2}·3^{2}·53 Posts 
How about another big one?
80857169*2^12510761 is prime!  Thomas L10 
20041212, 19:51  #9 
Sep 2002
2·131 Posts 
Wow!
rank 37, whooo now we're talking. congratulation Joss 
20041218, 16:15  #10 
Nov 2003
2·1,811 Posts 
Thomas, congrats any many huge primes!
BTW, can I reserve one k, just to try? I'm not sure how to read the table at the status page but if available I'd like to take k=32537227. It has no available data so I assume it's available(?) Can one reserve k's with some associated date in the table and/or provided sieve file? Thanks and good luck! Last fiddled with by Kosmaj on 20041218 at 16:34 
20041218, 17:17  #11 
Sep 2002
262_{10} Posts 
Hi Kosmaj,
k=32537227 is all yours I don't have any sieve file for it It's not a very low weight at 2100 n's left at 20M but still a good choice. Joss 
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