mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 1000
Search took 0.68 seconds.
Search: Posts Made By: Batalov
Forum: And now for something completely different 2020-03-29, 23:41
Replies: 3
Views: 96
Posted By Batalov
It is very easy. ((205^3651+1)^2-2)/2 ...

It is very easy.

((205^3651+1)^2-2)/2
((205^4133+1)^2-2)/2
((205^4620+1)^2-2)/2
((215^12694-1)^2-2)/2
((319^11276-1)^2-2)/2
((319^5513-1)^2-2)/2
((73^1275+1)^2-2)/2
((73^2004+1)^2-2)/2
Forum: Lounge 2020-03-28, 23:12
Replies: 14
Views: 325
Posted By Batalov
Jeffrey Dean Morgan and Javier Bardem

Jeffrey Dean Morgan and Javier Bardem
Forum: Puzzles 2020-03-27, 00:36
Replies: 6
Views: 549
Posted By Batalov
March2015 was my favorite. Would have loved to...

March2015 was my favorite. Would have loved to pick your brain on that one.

Some old timers there didn't stop even after solving...
Forum: Aliquot Sequences 2020-03-25, 06:03
Replies: 3,261
Views: 229,006
Posted By Batalov
Release 1423296 1434792 1448064 1643544 1648500...

Release 1423296 1434792 1448064 1643544 1648500 1650324 1653912 1670916 1696788 1700130 1736760 1817442 1828560 1893980 1942128 1954218 1969848 2123436 2139480 2152080 2170428 2200128 2238048 2298468...
Forum: Aliquot Sequences 2020-03-25, 05:56
Replies: 3,261
Views: 229,006
Posted By Batalov
Take 1621842

Take 1621842
Forum: Factoring 2020-03-21, 02:18
Replies: 493
Views: 50,206
Posted By Batalov
Congrats! What is next, (145!-1) cofactor ( =...

Congrats! What is next, (145!-1) cofactor ( = c185) ?
Forum: Aliquot Sequences 2020-03-15, 01:14
Replies: 3,261
Views: 229,006
Posted By Batalov
Take 2077720 2178846

Take 2077720 2178846
Forum: Lounge 2020-03-11, 14:48
Replies: 19
Views: 859
Posted By Batalov
All internal meetings with >50 people at our...

All internal meetings with >50 people at our place of work have been cancelled.

A large scientific conference (ACMG (https://www.acmgmeeting.net/acmg2020/)) has just been cancelled (it usually...
Forum: Lounge 2020-03-11, 01:14
Replies: 115
Views: 3,594
Posted By Batalov
I do! Uh-oh. That dates us, doesn't it? :-)

I do!

Uh-oh. That dates us, doesn't it? :-)
Forum: NFS@Home 2020-03-10, 15:47
Replies: 24
Views: 2,139
Posted By Batalov
Forum: Aliquot Sequences 2020-03-08, 19:59
Replies: 3,261
Views: 229,006
Posted By Batalov
Taking 2228820

Taking 2228820
Forum: NFS@Home 2020-03-04, 16:33
Replies: 24
Views: 2,139
Posted By Batalov
33331_267 is in LA, ETA one week

33331_267 is in LA, ETA one week
Forum: NFS@Home 2020-03-01, 15:39
Replies: 24
Views: 2,139
Posted By Batalov
I can LA Lucas(1346) and Lucas(1348).

I can LA Lucas(1346) and Lucas(1348).
Forum: Factoring 2020-02-28, 16:17
Replies: 42
Views: 2,469
Posted By Batalov
And now - RSA-250...

And now - RSA-250 (https://mersenneforum.org/showthread.php?t=25312)
Forum: Factoring 2020-02-28, 16:16
Replies: 3
Sticky: RSA-250
Views: 3,419
Posted By Batalov
Lightbulb RSA-250

via NMBRTHRY list
Forum: enzocreti 2020-02-28, 15:48
Replies: 3
Views: 217
Posted By Batalov
Thumbs down your "proofs" are all built on "Tigger's...

your "proofs" are all built on "Tigger's principle".
"This!"
Disproven.
"Ok then this or that"
Disproven.
"Ok then this or that or that"
and so on
Forum: enzocreti 2020-02-16, 20:19
Replies: 5
Views: 299
Posted By Batalov
Well known that finitely few. Sit down with...

Well known that finitely few.

Sit down with a piece of paper and think what values can n take for 56^n+1 to be prime?
Only powers of 2. b^2^m+1 are called generalized Fermat numbers. Read...
Forum: enzocreti 2020-02-12, 16:50
Replies: 3
Views: 296
Posted By Batalov
@ enzocreti - Do not edit other peoples posts.

@ enzocreti - Do not edit other peoples posts.
Forum: enzocreti 2020-02-10, 17:04
Replies: 3
Views: 296
Posted By Batalov
for(k=1,10^10,if(issquare(51+163*k),print(k))) ...

for(k=1,10^10,if(issquare(51+163*k),print(k)))
10
91
255
498
826
1231
1723
2290
2946
Forum: Lounge 2020-02-09, 16:31
Replies: 1,302
RIP
Views: 78,307
Posted By Batalov
Dave McCoy...

Dave McCoy (https://www.latimes.com/california/story/2020-02-08/dave-mccoy-mammoth-mountain-dead-obituary) (104)
Forum: Lounge 2020-02-07, 02:04
Replies: 1,302
RIP
Views: 78,307
Posted By Batalov
Exclamation .

.
Forum: Computer Science & Computational Number Theory 2020-02-03, 07:51
Replies: 33
Views: 5,878
Posted By Batalov
When I did a bit of an exploration of Lehmer...

When I did a bit of an exploration of Lehmer numbers, I've done those depositions a lot.
I also typically initialize N-1 and N+1, in this case
http://factordb.com/index.php?id=1100000001443795933 ...
Forum: Computer Science & Computational Number Theory 2020-02-03, 01:33
Replies: 33
Views: 5,878
Posted By Batalov
Congrats! Here is a method that I use to...

Congrats!

Here is a method that I use to create large entries in FactorDB.
1. Find any unrelated composite.
2. Paste your number in the 'Report factors' text box. ;-)
3. Get the link to the...
Forum: Aliquot Sequences 2020-01-29, 20:35
Replies: 3,261
Views: 229,006
Posted By Batalov
Taking 1205520

Taking 1205520
Forum: Puzzles 2020-01-29, 06:47
Replies: 4
Views: 634
Posted By Batalov
Lightbulb A lovely puzzle (Galperin): Why do colliding blocks compute π?

Formulation:
HEfHFsfGXjs

Solution:
jsYwFizhncE
Showing results 1 to 25 of 1000

 
All times are UTC. The time now is 17:51.

Wed Apr 1 17:51:13 UTC 2020 up 7 days, 15:24, 1 user, load averages: 1.72, 1.82, 1.91

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.