mersenneforum.org  

Go Back   mersenneforum.org > Prime Search Projects > Riesel Prime Search

Reply
 
Thread Tools
Old 2009-06-08, 18:58   #1618
amphoria
 
amphoria's Avatar
 
"Dave"
Sep 2005
UK

23×347 Posts
Default

6253*2^466975-1 (140578 digits)
amphoria is online now   Reply With Quote
Old 2009-06-08, 22:11   #1619
Kosmaj
 
Kosmaj's Avatar
 
Nov 2003

2·1,811 Posts
Default

9th Drive:

22365*2^468941-1 (141170 digits)
Kosmaj is offline   Reply With Quote
Old 2009-06-09, 01:40   #1620
Kosmaj
 
Kosmaj's Avatar
 
Nov 2003

2×1,811 Posts
Default

... followed by one from the 10th Drive:

34631*2^475246-1 (143068 digits)
Kosmaj is offline   Reply With Quote
Old 2009-06-09, 17:09   #1621
VBCurtis
 
VBCurtis's Avatar
 
"Curtis"
Feb 2005
Riverside, CA

11·443 Posts
Default

From the "adam drive":
6035*2^453592-1 is prime. (136549 digits)
-Curtis
VBCurtis is offline   Reply With Quote
Old 2009-06-09, 22:57   #1622
Cruelty
 
Cruelty's Avatar
 
May 2005

110010110002 Posts
Default

5355*2^517558-1 (155805 digits) - 8th drive

Last fiddled with by Cruelty on 2009-06-09 at 22:57
Cruelty is offline   Reply With Quote
Old 2009-06-10, 07:36   #1623
Thomas11
 
Thomas11's Avatar
 
Feb 2003

22×32×53 Posts
Default

The 11th prime from the 10th drive:

32713*2^485539-1 (146167 digits)
Thomas11 is offline   Reply With Quote
Old 2009-06-11, 01:52   #1624
AES
 
Jul 2007
Tennessee

11408 Posts
Default

Quote:
Originally Posted by Kosmaj View Post
Finally a prime from the "9 Ks" Drive:

189*2^888200-1 (267378 digits)

Since the last prime at 800k we did about 32,000 tests to find this one, while statistically there should be a prime every 12,000 or os tests at this level (sieved to 10T). Meaing that the next one is right there, in the next test file
189*2^891876-1 (268484 digits)


AES is offline   Reply With Quote
Old 2009-06-11, 03:34   #1625
AES
 
Jul 2007
Tennessee

25·19 Posts
Default

9th

20145*2^474205-1 (142755 digits)
AES is offline   Reply With Quote
Old 2009-06-11, 08:33   #1626
Thomas11
 
Thomas11's Avatar
 
Feb 2003

111011101002 Posts
Default

The 12th prime from the 10th drive:

11729*2^494856-1 (148971 digits)

Expectations (11.8 primes up to n=500k) fulfilled!
Thomas11 is offline   Reply With Quote
Old 2009-06-12, 09:21   #1627
em99010pepe
 
em99010pepe's Avatar
 
Sep 2004

2·5·283 Posts
Default

153*2^894504-1 is prime! (9k's)
em99010pepe is offline   Reply With Quote
Old 2009-06-12, 09:23   #1628
pb386
 
pb386's Avatar
 
Nov 2003

23·163 Posts
Default

1261*2^680627-1 (204893 digits)
1263*2^681632-1 (205195 digits)
pb386 is offline   Reply With Quote
Reply



Similar Threads
Thread Thread Starter Forum Replies Last Post
POST LOTS AND LOTS OF PRIMES HERE Kosmaj Riesel Prime Search 1966 2021-06-27 11:11
Inefficient behaviour in yafu when doing large NFS with lots of threads 2147483647 YAFU 3 2016-12-25 21:44
Lots of roundoff errors TheMawn Software 18 2014-08-16 03:54
lots of large primes Peter Hackman Factoring 2 2008-08-15 14:26
How do I get computer to do lots of little tasks? jasong Information & Answers 4 2007-10-04 20:40

All times are UTC. The time now is 07:30.


Fri Aug 6 07:30:32 UTC 2021 up 14 days, 1:59, 1 user, load averages: 3.12, 2.88, 2.77

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.