mersenneforum.org Riesel Primes k*2^n-1, k<300 [Part II]
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 2007-11-25, 18:03 #100 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts Releasing k=251 Releasing into the wild k = 251. Tested to 805070. Farewell my friend and bon voyage. Remaining candidates to 5m, sieved to 16.35T available here: http://premium1.uploadit.org/FlatLander//251.zip
 2007-11-30, 12:32 #101 Cruelty     May 2005 2·809 Posts milestone report for k=151 k=151 tested till n=1M, I'm still working on it
 2007-12-01, 03:33 #102 gd_barnes     May 2007 Kansas; USA 2·5·1,013 Posts Month end status Since I'm now working on more than one k < 300, here is a Nov. month end status: k=5; recently reserved range completed from n=1070K-1080.4K; no primes. All ranges completed consecutively to 1080.4K except for Patrick's partial range from 727.7K-740K. k=139; completed from n=400K-425.5K; no primes. All ranges completed consecutively to 425.5K. k=243; completed from n=300K-685.9K and from 745K-782.8K; primes previously posted. All ranges completed consecutively to 685.9K. Gary
 2007-12-01, 10:02 #103 amphoria     "Dave" Sep 2005 UK 2·19·73 Posts LLR Status k=67 at n=610k. k=81 at n=1060k. Continuing with both.
2007-12-02, 04:39   #104
Kosmaj

Nov 2003

2·1,811 Posts

A message from Justin

Quote:
 We would like to unreserve k=69 I also would like to unreserve k=165. 165 was taken to 637K with no new primes found. K=121 is at n=3016K K=27 is at n=1019K We would also like to take K=105105 for further testing. We may be making a big project out of this one.

 2007-12-02, 19:32 #105 Cruelty     May 2005 2×809 Posts milestone report k=25, 59, 101, 617, tested till n=1.2M, I'm still working on those "k" Last fiddled with by Cruelty on 2007-12-02 at 19:32
 2007-12-02, 21:29 #106 em99010pepe     Sep 2004 2·5·283 Posts I would like to reserve k=223 from 2M...
 2007-12-06, 08:51 #107 Kosmaj     Nov 2003 2·1,811 Posts arminius completed k=49 to n=1.12M, no new primes.
 2007-12-08, 03:08 #108 sjtjung     Mar 2006 Columbus, OH 10011012 Posts Monthly update P4(Linux) LLRing 31 at 685k Sempron LLring 31 at 764k (will stop at 765k and run Curtis' 2000's) Celeron LLRing 31 at 878k New Resources, 2 P4-2400Mhz, which gave me 2 new primes P4(1) LLring 207 at 646k P4(2) LLRing 31 at 777k -Steven
 2007-12-09, 21:53 #109 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts k = 35 tested to 964k. k = 55 tested to 929k. k = 147 tested to 572k. Last fiddled with by Flatlander on 2007-12-09 at 22:00
 2007-12-12, 13:05 #110 kar_bon     Mar 2006 Germany 2,801 Posts for info: Jeffrey found 2 days ago: 61 * 2^499175-1 prime! (http://primes.utm.edu/primes/page.php?id=83294)

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