Forum: News
2018-12-19, 04:06
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Replies: 270
Views: 43,390
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Forum: Lounge
2018-01-07, 00:47
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Replies: 4
Views: 1,154
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Forum: Lounge
2018-01-07, 00:44
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Replies: 67
Views: 12,722
99998543...
99998543 (https://www.mersenne.org/report_exponent/?exp_lo=99998543&exp_hi=99998543&full=1)
June 2020
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Forum: Lounge
2018-01-06, 19:18
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Replies: 67
Views: 12,722
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Forum: Lounge
2018-01-06, 18:55
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Replies: 4
Views: 1,154
Coloring newly found mersenne primes
Yesterday I was logged in mersenne.org appreciating my first found factor of the year (5445410747331540530647 is a factor of 2^160144379 - 1) when my wife said: I saw in facebook a new biggest known...
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Forum: PrimeNet
2017-11-15, 23:23
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Replies: 2
Views: 946
Finishing expired LL test
In 2012 I had installed prime95 on a windows8 machine.
I checked out from primenet four exponents for first LL-test, and never finished (switched to linux)
Today I started windows again, and...
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Forum: Mlucas
2017-11-13, 18:12
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Replies: 17
Views: 6,207
The strange thing is I tried on two different...
The strange thing is I tried on two different computers with different linux distribution and the same error showed up.
This is the output of gcc -v in the 32-bit PC with ubuntu
Using built-in...
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Forum: Mlucas
2017-11-11, 06:20
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Replies: 17
Views: 6,207
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Forum: News
2017-11-10, 05:18
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Replies: 631
Views: 72,159
6 new mersenne primes all together found?
Today I was looking for this post, because I wanted to know where to look to see if a new prime was found and not noticed. And I noticed this:
Have a look at the PrimeNet Top Lucas-Lehmer...
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Forum: Mlucas
2017-11-10, 04:44
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Replies: 17
Views: 6,207
Finally!
The test of M6972593 on my slow-as-tortoise x86 32-bit pc has just finished:
It was run non-stop from Nov 08 15:54:13, to Nov 10 01:11:57, so it lasted 1 day, 9 hours, 17 minutes and 44 seconds. ...
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Forum: Mlucas
2017-11-08, 21:50
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Replies: 17
Views: 6,207
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Forum: Mlucas
2017-11-08, 21:41
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Replies: 17
Views: 6,207
Thanks. Yes, it seems the binary install of...
Thanks. Yes, it seems the binary install of Mlucas 14.1 is running fine, this is the output so far of p6972593.stat
INFO: no restart file found...starting run from scratch.
M6972593: using FFT...
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Forum: Mlucas
2017-11-08, 19:51
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Replies: 17
Views: 6,207
If I compile with
gcc -c -O3 -DUSE_AVX512...
If I compile with
gcc -c -O3 -DUSE_AVX512 -DUSE_THREADS -march=skylake-avx512 -mtune=skylake-avx512 ../*.c >& build.log
this is the output of grep -i error build.log
../br.c:1:0: error:...
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Forum: Mlucas
2017-11-08, 19:46
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Replies: 17
Views: 6,207
I am running with the exponent 6972593 now. I...
I am running with the exponent 6972593 now. I can see it writes to the file p6972593 from time to time. But how do I know what percentage/iteration is running now? For the time being this is the...
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Forum: Mlucas
2017-11-08, 18:49
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Replies: 17
Views: 6,207
From source
I now tried compiling the source, following this guide
http://www.mersenneforum.org/mayer/README.html
I downloaded the mlucas_v17.txz file, checked the md5sum, and uncompressed it with
tar...
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Forum: Mlucas
2017-11-08, 18:26
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Replies: 17
Views: 6,207
Mlucas on ubuntu
Hi! I'd like to run mlucas on an ubuntu machine. I installed it with
sudo apt-get install mlucas
Then i cd into ~/.mlucas.d/
and I write a worktodo.ini file with this
...
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Forum: Lounge
2013-06-10, 21:48
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Replies: 69
Views: 4,391
Final batch #7 arrived!
Cool! I received the button, finally it has arrived to Buenos Aires, Argentina.
Thank you Mike!
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Forum: Lounge
2013-05-09, 19:25
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Replies: 69
Views: 4,391
I have only one previous buttons but I would...
I have only one previous buttons but I would neitherway like to have another, I PM'ed some days ago but received no reply. The button I have is on my fathers house, when I get there I can take a...
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Forum: Lounge
2013-04-20, 05:52
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Replies: 69
Views: 4,391
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Forum: Puzzles
2012-12-02, 08:32
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Replies: 18
Views: 1,226
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Forum: Puzzles
2012-12-01, 22:56
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Replies: 18
Views: 1,226
Coprime matrix little puzzle
Today I thought of this puzzle: to find a square matrix over the integers, such that each coeficient satisfices (at the same time)
(1) being coprime to any consecutive coeficient (to the left/right...
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Forum: Lounge
2012-08-22, 02:18
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Replies: 58
Views: 9,721
I updated the application on the market to be...
I updated the application on the market to be able to run on android 1.6 or newer (so it now should work on your android 2.1 GT540).
You tested 110503? That surpased my record! Cool. :smile:
I...
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Forum: Lounge
2012-08-19, 20:01
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Replies: 58
Views: 9,721
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Forum: Lounge
2012-08-18, 17:36
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Replies: 58
Views: 9,721
It finished!
Yes now:
2^{86243} - 1 is prime!!
Lasted: 9809679 miliseconds
(That is 2hs 43min 30sec, on my Samsung Salaxy S II) :grin:
Biggest prime number ever verified on a cell phone?
Anyone brave...
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Forum: Lounge
2012-08-18, 15:15
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Replies: 58
Views: 9,721
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