mersenneforum.org  

Go Back   mersenneforum.org > Fun Stuff > Lounge

Reply
 
Thread Tools
Old 2021-01-01, 00:00   #34
paulunderwood
 
paulunderwood's Avatar
 
Sep 2002
Database er0rr

37×97 Posts
Default

HNY! May the primes keep being discovered and the PRPs be proved. Most of all let there be a new Mersenne prime in 2021
paulunderwood is offline   Reply With Quote
Old 2021-01-01, 00:38   #35
ryanp
 
ryanp's Avatar
 
Jun 2012
Boulder, CO

263 Posts
Default

Quote:
Originally Posted by paulunderwood View Post
HNY! May the primes keep being discovered and the PRPs be proved. Most of all let there be a new Mersenne prime in 2021
I'll try to do my part...

Happy New Year!
ryanp is offline   Reply With Quote
Old 2021-01-01, 02:28   #36
ryanp
 
ryanp's Avatar
 
Jun 2012
Boulder, CO

263 Posts
Default

Quote:
Originally Posted by paulunderwood View Post
HNY! May the primes keep being discovered and the PRPs be proved. Most of all let there be a new Mersenne prime in 2021
A fun gift to ring in the new year, just found today: https://primes.utm.edu/primes/page.php?id=131528

The best part: it's 2020219 decimal digits long...
ryanp is offline   Reply With Quote
Old 2021-01-01, 02:33   #37
axn
 
axn's Avatar
 
Jun 2003

23×607 Posts
Default

Quote:
Originally Posted by ryanp View Post
The best part: it's 2020219 decimal digits long...
It is also 2020219, as if transitioning from 2020 to 2021

Thanks for the gift, and Congrats on the new find.
axn is online now   Reply With Quote
Old 2021-01-01, 03:50   #38
sweety439
 
sweety439's Avatar
 
Nov 2016

2,797 Posts
Default

20201231 and 20210101 are both primes, the only such numbers in this century are 20291231 and 20300101
sweety439 is offline   Reply With Quote
Old 2021-01-01, 06:14   #39
petrw1
1976 Toyota Corona years forever!
 
petrw1's Avatar
 
"Wayne"
Nov 2006
Saskatchewan, Canada

3×37×41 Posts
Default Happy New Year from Saskatchewan

Here's to a good 2021
petrw1 is offline   Reply With Quote
Old 2021-01-01, 06:16   #40
petrw1
1976 Toyota Corona years forever!
 
petrw1's Avatar
 
"Wayne"
Nov 2006
Saskatchewan, Canada

3×37×41 Posts
Default

Quote:
Originally Posted by sweety439 View Post
20201231 and 20210101 are both primes
Is that ominous
petrw1 is offline   Reply With Quote
Old 2021-01-01, 07:15   #41
Batalov
 
Batalov's Avatar
 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2

22·32·7·37 Posts
Default

.
Attached Thumbnails
Click image for larger version

Name:	2021.jpg
Views:	39
Size:	74.5 KB
ID:	24095  
Batalov is offline   Reply With Quote
Old 2021-01-01, 16:08   #42
Uncwilly
6809 > 6502
 
Uncwilly's Avatar
 
"""""""""""""""""""
Aug 2003
101×103 Posts

2·33·173 Posts
Default

Uncwilly is offline   Reply With Quote
Old 2021-01-01, 20:05   #43
petrw1
1976 Toyota Corona years forever!
 
petrw1's Avatar
 
"Wayne"
Nov 2006
Saskatchewan, Canada

3×37×41 Posts
Default

Quote:
Originally Posted by sweety439 View Post
20201231 and 20210101 are both primes1
20201231 still not factored....I guess Covid is the cause

20210101 has 2 factors:
92966464; k=23
802381429903; k=3x13x509
petrw1 is offline   Reply With Quote
Old 2021-01-01, 21:46   #44
ixfd64
Bemusing Prompter
 
ixfd64's Avatar
 
"Danny"
Dec 2002
California

22·3·197 Posts
Default

Happy New Year, everyone. Let's hope 2021 brings a brighter future, and may your machines always return correct results.
ixfd64 is online now   Reply With Quote
Reply

Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Happy New Year & parallel powermod a1call Miscellaneous Math 103 2018-03-28 10:11
Happy New Year ji2my Lounge 0 2016-12-29 07:50
Happy new year firejuggler Lounge 23 2013-01-02 06:40
Happy Prime Year MMXI! ATH Lounge 17 2011-01-21 23:28
Happy New Year 2009! 10metreh Lounge 7 2009-01-01 08:21

All times are UTC. The time now is 17:14.

Thu Feb 25 17:14:56 UTC 2021 up 84 days, 13:26, 0 users, load averages: 2.06, 1.95, 1.92

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.