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-   -   Riesel Primes k*2^n-1, k<300 [Part II] (https://www.mersenneforum.org/showthread.php?t=8621)

AES 2008-02-01 14:38

I'll take k=9 for n>1M

Cruelty 2008-02-03 20:43

k=211, 221, 233, 263, 283, 299 tested till n=690000.
I am releasing k=211 - Curtis should have a priority on further reservation of this one.

lsoule 2008-02-05 00:15

k=39
 
k=39 is tested up to n=1.263M and continuing :whistle:

Cruelty 2008-02-09 07:25

k=221, 233, 263, 283, 299 tested till n=700000, I'm still working on those k.

Cruelty 2008-02-10 19:48

milestone report for k=151
 
k=151 tested till n=1.3M, I'm still working on it :flex:

Kosmaj 2008-02-11 02:16

Rob is still working on k=243, he is currently at 1.14M.

Flatlander stopped k=35 at n=978400. He sent me his file to n=2M sieved through p=15.1T. I'm reserving 978400-985000. Is anybody else interested to work on it, at least to 1M? If there is interest we can start a team effort to test it.

arminius 2008-02-12 17:17

k=49
 
Update:
Sieving at 21T to 2M,
LLR complete to 1.20M, Continuing....
No new primes.

amphoria 2008-02-12 17:53

Monthly Status
 
k=67 at 1015k.

k=81 at 1200k.

Continuing with both.

VBCurtis 2008-02-14 10:17

I am continuing Cruelty's work on k=109 and 211, two numbers he found a prime for and discontinued. I now have 7 k's formerly reserved by Cruelty, together LLRing. If anyone takes an interest in these k's, I am happy to share well-sieved files for single k's from the list of numbers marked as reserved to me, but tested most recently by Cruelty. Absent such interest, I will make slow-but-sure progress on them together, at least up to 750k or more.
-Curtis

Cruelty 2008-02-22 09:12

milestone report for k=25
 
k=25 tested till n=1.5M, I'm still working on it.

VBCurtis 2008-02-22 22:36

45 at 1.05M. (3 cores)
93 at 890k. (4 cores)
99 at 1.22M. (3 cores)
127 at 1.45M. (3 cores)
197 at 1.03M. (2 cores)

13,201,119 all active, but no progress to report. Cruelty k's also active, with more cores added as pieces of the above k's finish and cores open up.
-Curtis


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