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 2005-12-21, 20:06 #89 amphoria     "Dave" Sep 2005 UK 2·19·73 Posts 869688105*2^457651-1 (137776 digits)
 2005-12-22, 01:49 #90 Kosmaj     Nov 2003 2·1,811 Posts Amphoria This is a nice one! Congrats! Does it mean there were no other primes between n=379559 and the exponent above? At this level of n it's not unusual at all but the gaps before were smaller...
2005-12-22, 20:12   #91
amphoria

"Dave"
Sep 2005
UK

2×19×73 Posts

Quote:
 Originally Posted by Kosmaj Does it mean there were no other primes between n=379559 and the exponent above? At this level of n it's not unusual at all but the gaps before were smaller...
No I have two computers working on it. n=395k to 450k is currently unsearched. I decided to put the faster computer to work at the top end of the range I have sieved (up to 500k).

 2005-12-23, 00:06 #92 lsoule     Nov 2004 California 23×3×71 Posts From the RPS drive: 870667875*2^267981-1 (80680 digits)
 2005-12-29, 10:00 #93 Cruelty     May 2005 2·809 Posts 151515*2^242278-1 (72939 digits)
 2005-12-29, 21:24 #94 lsoule     Nov 2004 California 23×3×71 Posts 4 from the RPS drive: 1738812075*2^272308-1 (81983 digits) 870667875*2^272449-1 (82025 digits) 870667875*2^272494-1 (82038 digits) 918332415*2^272910-1 (82164 digits) 1 from the choose your own k 2037910875*2^226596-1 (68222 digits) Last fiddled with by Kosmaj on 2005-12-30 at 02:49
 2005-12-29, 22:22 #95 lsoule     Nov 2004 California 32508 Posts And another from the RPS drive: 3276742755*2^273507-1 (82344 digits)
2005-12-29, 23:49   #96
fatphil

May 2003

3×7×11 Posts

Quote:
 Originally Posted by lsoule 870667875*2^272449-1 (82025 digits) 870667875*2^272494-1 (82038 digits)
Now that I like!

 2005-12-31, 14:26 #97 NiceMedTexMD   Jun 2004 2·3·7 Posts Here's a prime, it's too small to fit on the top 5000 list.. 4471935*2^211728-1 Dr. Mike.. (this will help gauge where you need to be..)
 2006-01-01, 00:46 #98 lsoule     Nov 2004 California 32508 Posts 2022381375 273167 The 6th prime for this k.
 2006-01-01, 21:24 #99 lsoule     Nov 2004 California 23×3×71 Posts 779602395*2^274412-1 (82616 digits) 3467560635*2^274439-1 (82624 digits) The first prime for this K in the drive

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