20050925, 19:48  #56  
Aug 2005
Brazil
2·181 Posts 
Quote:


20050925, 21:18  #57 
Jun 2003
3·23^{2} Posts 
Thanks for letting me know, I will write to him.

20051026, 10:08  #58 
Jun 2004
2·53 Posts 
update on k=10813783 & k=27791
I'm still working on both of them.
k=10813783 has been tested until n=690k, 255 tests until 1M left k=27791 has been tested until n=300k, 2264 tests until 1M left Both without new primes. 
20060227, 10:12  #59 
Feb 2003
2^{7}×3×5 Posts 
k=380630849, 59493015971
k=380630849 and k=59493015971 have both been tested for n=02,000,000. No primes found. The later k is of extraordinarily low weight (Nash weight is 5), so I'll continue it a little bit further.

20060308, 04:55  #60 
"Curtis"
Feb 2005
Riverside, CA
2·5·23^{2} Posts 
Update on reserved numbers
Here are the numbers I have reserved and/or done work on:
131707 done to 1.6M, sieved to 3M. in progress 167021 done to 1M, sieved to 2M, in progress 171089 done to 1M, no further work planned (unreserved) 403993 done to 900k, sieved to 1M, in progress 9770317 done to 1.5M, sieved to 2M, in progress 13900807 done to 1.5M, sieved to 4M. Not active, but still reserved. New reservation: 24384313. Sieving to 2M, LLR currently at 100k. I have new access to a small army of P2class machines at work, which just screams out for sieving duty. Sieving a new k does the trick. Curtis 
20060308, 21:07  #61 
Jun 2004
2·53 Posts 
I am currently working on k=11639819, tested until n=400000, 660 tests until n=1M left

20060309, 10:08  #62 
Feb 2003
2^{7}×3×5 Posts 
k=59493015971
k=59493015971 is done to n=3M. I'll try to take it a little bit further...

20060313, 17:51  #63 
"Curtis"
Feb 2005
Riverside, CA
14AA_{16} Posts 
403993 finished to 1 million, unreserved.
Curtis 
20060317, 20:44  #64 
Oct 2003
Croatia
710_{8} Posts 
I have a question about one k I'm playing with.
For some time I work on k=2147483647 on my own (it's not on the RPS list of low weight k's). It is Mersenne prime (2^311). After I sieve range 350k500k to 18G with NewPGen it remains 423 n values to test with LLR. It seems it is low weight candidate. I find two primes for this k, for n=97 and n=96001 (although I didn't test range 150k220k, so it might be more primes in that region). I was thinking in testing this k to maybe n=2M, as after sieving I have relatively small number of n's to test. But what bothers me is if somebody else was already done that. So, my question is does somebody maybe know where could I check if somebody test this k already? Or maybe if somebody is aware that someone else is working on the same k? Kosmaj, already point me to the Top5000 and where can be seen that Broadhurst discovered 2147483647*2^960011 on May 2000. So, it's possible he serached further. Any info on that is very valuable to me, as it will help me to decide will I continue to test this k or not. Thanks for any input. Edo 
20060317, 22:06  #65 
Nov 2004
California
2^{3}·3·71 Posts 
If a k is not part of any organized search, checking the top5000
is about all you can do. Have you tried contacting the people who reported primes for that k? 
20060318, 03:10  #66 
Oct 2003
Croatia
2^{3}×3×19 Posts 
Yes, I send an email to dr. Broadhurst asking him how far did he test this k. Hope he will answer.
Edo 
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