mersenneforum.org  

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

Reply
 
Thread Tools
Old 2021-02-11, 06:55   #1959
Happy5214
 
Happy5214's Avatar
 
"Alexander"
Nov 2008
The Alamo City

563 Posts
Default

Quote:
Originally Posted by Trilo View Post
55*2^2048305-1 is prime! (627441 digits)
That range was already tested by Kosmaj. Luckily I found it on PrimePages. It's 55*2^2084305-1.

Last fiddled with by Happy5214 on 2021-02-11 at 06:55 Reason: Linking to PrimePages
Happy5214 is offline   Reply With Quote
Old 2021-03-06, 09:13   #1960
kuratkull
 
kuratkull's Avatar
 
Mar 2007
Estonia

8D16 Posts
Default

Code:
195*2^4685711-1 is prime! (1410542 decimal digits)
https://primes.utm.edu/primes/page.php?id=132121

k<300 highest Nash weight k delivers again.
kuratkull is offline   Reply With Quote
Old 2021-03-06, 19:32   #1961
pepi37
 
pepi37's Avatar
 
Dec 2011
After milion nines:)

2·709 Posts
Default

Quote:
Originally Posted by kuratkull View Post
Code:
195*2^4685711-1 is prime! (1410542 decimal digits)
https://primes.utm.edu/primes/page.php?id=132121

k<300 highest Nash weight k delivers again.

Congratulations!
pepi37 is offline   Reply With Quote
Old 2021-03-18, 08:38   #1962
gd_barnes
 
gd_barnes's Avatar
 
May 2007
Kansas; USA

286016 Posts
Default

285*2^1801236-1 is prime
gd_barnes is offline   Reply With Quote
Old 2021-04-05, 17:41   #1963
VBCurtis
 
VBCurtis's Avatar
 
"Curtis"
Feb 2005
Riverside, CA

2×5×11×43 Posts
Default

Been a while:
99*2^2658496-1 is prime! (800290 digits)
VBCurtis is offline   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
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
POST LOTS AND LOTS AND LOTS OF PRIMES HERE lsoule Riesel Prime Search 1999 2010-03-17 22:33
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 19:05.

Sat Apr 10 19:05:24 UTC 2021 up 2 days, 13:46, 1 user, load averages: 1.79, 1.60, 1.58

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.