mersenneforum.org  

Go Back   mersenneforum.org > Factoring Projects > XYYXF Project

Reply
 
Thread Tools
Old 2019-11-14, 18:29   #309
xilman
Bamboozled!
 
xilman's Avatar
 
"π’‰Ίπ’ŒŒπ’‡·π’†·π’€­"
May 2003
Down not across

2·32·569 Posts
Default

Quote:
Originally Posted by rogue View Post
Maybe he could give you or someone else update access to the website or maybe it could be moved elsewhere. With Russia building its own internet, who knows how long it will be before that site is not accessible to anyone outside of Russia.
Err...

It's not in Russia.
xilman is offline   Reply With Quote
Old 2019-11-14, 18:51   #310
rogue
 
rogue's Avatar
 
"Mark"
Apr 2003
Between here and the

17·347 Posts
Default

Quote:
Originally Posted by xilman View Post
Err...

It's not in Russia.
I assumed that this site, http://www.primefan.ru/xyyxf/default.html, is in Russia.
rogue is offline   Reply With Quote
Old 2019-11-14, 21:02   #311
xilman
Bamboozled!
 
xilman's Avatar
 
"π’‰Ίπ’ŒŒπ’‡·π’†·π’€­"
May 2003
Down not across

101000000000102 Posts
Default

Quote:
Originally Posted by rogue View Post
I assumed that this site, http://www.primefan.ru/xyyxf/default.html, is in Russia.
Hmm. AFAIK, Andrey is, or was, in Belarus. I assumed that his site was located there too.

Oh well.
xilman is offline   Reply With Quote
Old 2019-11-16, 03:00   #312
pxp
 
pxp's Avatar
 
Sep 2010
Weston, Ontario

163 Posts
Default

Quote:
Originally Posted by pxp View Post
That makes L(29356,257) #1403.
I have examined all Leyland numbers in the seven gaps between L(29356,257) <70746>, #1403, and L(30280,241) <72128> and found 12 new primes. That makes L(30280,241) #1422.
pxp is offline   Reply With Quote
Old 2019-11-26, 01:14   #313
pxp
 
pxp's Avatar
 
Sep 2010
Weston, Ontario

163 Posts
Default

Quote:
Originally Posted by pxp View Post
As I write, there is a captcha timeout error that prevents me from posting my two most recent finds to PRPtop so I will note these with an asterisk in my list, until such a time as the issue is resolved.
The PRP Top submission issue appears to be fixed. I just added 12 Leyland PRPs.
pxp is offline   Reply With Quote
Old 2019-12-08, 11:28   #314
pxp
 
pxp's Avatar
 
Sep 2010
Weston, Ontario

2438 Posts
Default

Quote:
Originally Posted by pxp View Post
That makes L(30280,241) #1422.
I have examined all Leyland numbers in the two gaps between L(30280,241) <72128>, #1422, and L(104824,5) <73269> and found 14 new primes. That makes L(104824,5) #1438.
pxp is offline   Reply With Quote
Old 2019-12-10, 23:10   #315
NorbSchneider
 
NorbSchneider's Avatar
 
"Norbert"
Jul 2014
Budapest

1378 Posts
Default

Another new PRP:
2223^25780+25780^2223, 86285 digits.
NorbSchneider is offline   Reply With Quote
Old 2019-12-24, 12:45   #316
NorbSchneider
 
NorbSchneider's Avatar
 
"Norbert"
Jul 2014
Budapest

5·19 Posts
Default

Another new PRP:
1828^25929+25929^1828, 84580 digits.
NorbSchneider is offline   Reply With Quote
Old 2019-12-29, 23:24   #317
NorbSchneider
 
NorbSchneider's Avatar
 
"Norbert"
Jul 2014
Budapest

9510 Posts
Default

Another new PRP:
15927^18196+18196^15927, 76463 digits.
NorbSchneider is offline   Reply With Quote
Old 2020-01-06, 22:41   #318
NorbSchneider
 
NorbSchneider's Avatar
 
"Norbert"
Jul 2014
Budapest

10111112 Posts
Default

Another new PRP:
2551^26056+26056^2551, 88766 digits.
NorbSchneider is offline   Reply With Quote
Old 2020-01-10, 22:25   #319
pxp
 
pxp's Avatar
 
Sep 2010
Weston, Ontario

163 Posts
Default

Quote:
Originally Posted by pxp View Post
That makes L(104824,5) #1438.
I have examined all Leyland numbers in the eight gaps between L(104824,5) <73269>, #1438, and L(30247,300) <74926> and found 24 new primes. That makes L(30247,300) #1470.
pxp is offline   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Leyland Primes: ECPP proofs Batalov XYYXF Project 16 2019-08-04 00:32
Mersenne Primes p which are in a set of twin primes is finite? carpetpool Miscellaneous Math 3 2017-08-10 13:47
Distribution of Mersenne primes before and after couples of primes found emily Math 34 2017-07-16 18:44
On Leyland Primes davar55 Puzzles 9 2016-03-15 20:55
possible primes (real primes & poss.prime products) troels munkner Miscellaneous Math 4 2006-06-02 08:35

All times are UTC. The time now is 06:36.

Sat Sep 19 06:36:45 UTC 2020 up 9 days, 3:47, 0 users, load averages: 1.08, 1.47, 1.51

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, 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.