mersenneforum.org  

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

Reply
 
Thread Tools
Old 2007-03-19, 23:15   #243
SB2
 
SB2's Avatar
 
Jul 2003

2×3×19 Posts
Default

572 to 573 complete no primes

taking 578-579
taking 579-580

Last fiddled with by SB2 on 2007-03-19 at 23:39
SB2 is offline   Reply With Quote
Old 2007-03-20, 19:50   #244
amphoria
 
amphoria's Avatar
 
"Dave"
Sep 2005
UK

23·347 Posts
Default

573-574 complete, no primes.

Taking 580-581.
amphoria is offline   Reply With Quote
Old 2007-03-21, 20:49   #245
amphoria
 
amphoria's Avatar
 
"Dave"
Sep 2005
UK

AD816 Posts
Default

574-575 complete, no primes.
amphoria is offline   Reply With Quote
Old 2007-03-23, 16:07   #246
Kosmaj
 
Kosmaj's Avatar
 
Nov 2003

2·1,811 Posts
Default

B'maxx completed 566-567, no primes.

Taking now 581-582.
Kosmaj is offline   Reply With Quote
Old 2007-03-23, 17:10   #247
amphoria
 
amphoria's Avatar
 
"Dave"
Sep 2005
UK

23·347 Posts
Default

576-577 complete, no primes.

Taking 582-583.
amphoria is offline   Reply With Quote
Old 2007-03-23, 18:43   #248
nuggetprime
 
nuggetprime's Avatar
 
Mar 2007
Austria

12E16 Posts
Default

Taking 583-584
How much of these ranges must I test to find a prime?

nuggetprime
nuggetprime is offline   Reply With Quote
Old 2007-03-24, 04:33   #249
Kosmaj
 
Kosmaj's Avatar
 
Nov 2003

362210 Posts
Default

569-570 complete, no primes.

Taking 584-585.

Nuggetprime
Nobody knows, maybe 1, maybe 10 or more.
If you consider that in the 500-580k range there were 8 primes found, then on average you will have to process 10 files to find one prime.

Last fiddled with by Kosmaj on 2007-03-24 at 04:40
Kosmaj is offline   Reply With Quote
Old 2007-03-24, 12:49   #250
SB2
 
SB2's Avatar
 
Jul 2003

2×3×19 Posts
Default

578-579 complete no primes
SB2 is offline   Reply With Quote
Old 2007-03-24, 16:54   #251
amphoria
 
amphoria's Avatar
 
"Dave"
Sep 2005
UK

277610 Posts
Default

580-581 complete, no primes.

Taking 585-586.
amphoria is offline   Reply With Quote
Old 2007-03-24, 20:55   #252
SB2
 
SB2's Avatar
 
Jul 2003

11410 Posts
Default

579-580 complete, no primes

taking 586-587
SB2 is offline   Reply With Quote
Old 2007-03-25, 12:46   #253
Kosmaj
 
Kosmaj's Avatar
 
Nov 2003

2·1,811 Posts
Default

Taking 587-588.
Kosmaj is offline   Reply With Quote
Reply



Similar Threads
Thread Thread Starter Forum Replies Last Post
2LMs with exponent divisible by 13 Batalov Cunningham Tables 1 2011-04-14 10:23
Divisible by a Prime davar55 Puzzles 13 2007-09-12 17:35
Divisible up to Square Root davar55 Puzzles 3 2007-09-05 15:59
Divisible by 7 ? davar55 Puzzles 4 2007-08-09 20:10
Divisible by 7 davar55 Puzzles 3 2007-05-14 22:05

All times are UTC. The time now is 09:56.


Sat Jul 17 09:56:28 UTC 2021 up 50 days, 7:43, 1 user, load averages: 1.34, 1.18, 1.23

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.