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 Showing results 1 to 25 of 117 Search took 0.03 seconds. Search: Posts Made By: nordi
 Forum: Lone Mersenne Hunters 2022-05-10, 19:23 Replies: 2,129 Views: 311,219 Posted By nordi Getting lucky again with my P-1 factoring: ... Getting lucky again with my P-1 factoring: M12782851 has a 235.159-bit (71-digit) composite (P21+P24+P27) factor: 61645213700098762638579831947213762951673986053039553206940532463429217...
 Forum: Lone Mersenne Hunters 2022-05-05, 18:07 Replies: 2,129 Views: 311,219 Posted By nordi When looking at this result, I was expecting it... When looking at this result, I was expecting it to be yet another composite factor. Turns out it wasn't: M12731681 has a 151.792-bit (46-digit) factor:...
 Forum: Puzzles 2022-05-03, 14:42 Replies: 20 Views: 1,004 Posted By nordi And that's exactly what was requested: And that's exactly what was requested:
 Forum: Puzzles 2022-04-29, 20:44 Replies: 20 Views: 1,004 Posted By nordi OK, so you were looking for something like ... OK, so you were looking for something like 1e666+1e666j;_*_;_*_;1e666-1e666j;_+1e666j;-1e666+1e666j;_-1e666j;-1e666-1e666j;_+1e666 Or, to make it even shorter and less readable: ...
 Forum: Puzzles 2022-04-27, 21:48 Replies: 20 Views: 1,004 Posted By nordi In your initial post, you suggested that people... In your initial post, you suggested that people use float('nan') to get a NaN value, but now you say that's forbidden. Please make up your mind.
 Forum: Puzzles 2022-04-27, 19:00 Replies: 20 Views: 1,004 Posted By nordi In Python 2.7, "print" is actually not a... In Python 2.7, "print" is actually not a function, it is a statement, i.e. a part of the language's grammar. Python 3 changed "print()" to be a function that just happens to be defined by default. ...
 Forum: Software 2022-04-06, 22:17 Replies: 561 Views: 40,846 Posted By nordi Yes, indeed, the FFT size for the smaller... Yes, indeed, the FFT size for the smaller exponent (which used 80GB RAM) was larger than for the other exponent (which used 40GB RAM). Is that expected behavior? Apart from the RAM, the only thing...
 Forum: Software 2022-04-06, 20:58 Replies: 561 Views: 40,846 Posted By nordi Not sure if it's related to 30.8 or just a server... Not sure if it's related to 30.8 or just a server bug with the P-1 GHz-day calculation, but I'm getting less GHz-days for a slightly larger B2 on a slightly larger exponent. See attached screenshot...
 Forum: Software 2022-03-19, 22:55 Replies: 561 Views: 40,846 Posted By nordi The values match pretty well for my Zen 2 and a... The values match pretty well for my Zen 2 and a 12.4M exponent: predicted: 0.525 actual: 0.586 = (106.51+157.782)/450.826 [Work thread Mar 19 22:59] P-1 on M12457537 with B1=400000,...
 Forum: Software 2022-03-16, 23:01 Replies: 561 Views: 40,846 Posted By nordi You are greatly under-selling your achievement... You are greatly under-selling your achievement here. With build 10, I got [Worker #1 Mar 16 08:23] P-1 on M35419 with B1=2000000000, B2=400000000000000 ... [Worker #1 Mar 16 13:32] Stage 2 init...
 Forum: Data 2022-03-14, 19:37 Replies: 134 Views: 8,130 Posted By nordi Such a list can be generated with the... Such a list can be generated with the https://www.mersenne.ca/morefactors.php page. I'm currently working on the 12.4M range for already factored exponents, because they will soon be PRP-checked...
 Forum: Software 2022-02-05, 13:14 Replies: 561 Views: 40,846 Posted By nordi Going from build 9 to build 10 gave me 7% more... Going from build 9 to build 10 gave me 7% more performance in stage 2, which is very good to have (on top of the fantastic performance it already had). Just for the record, increasing memory...
 Forum: mersenne.ca 2022-01-20, 20:12 Replies: 915 Sticky: mersenne.ca Views: 119,206 Posted By nordi Thanks, looks much better now! 726064763 still... Thanks, looks much better now! 726064763 still has false positives for TF, though.
 Forum: mersenne.ca 2022-01-20, 19:29 Replies: 915 Sticky: mersenne.ca Views: 119,206 Posted By nordi The "Missed Factor" feature seems to still be a... The "Missed Factor" feature seems to still be a bit buggy: https://www.mersenne.ca/exponent/12133333 Those newly discovered factores require larger B2 values than 400k, so they were not missed by...
 Forum: Lounge 2022-01-17, 23:05 Replies: 112 Views: 5,316 Posted By nordi In hard mode you have to use all hints you have... In hard mode you have to use all hints you have for the next guess, you can activate it in the settings. So that trick does not workfor me.
 Forum: Lounge 2022-01-17, 13:41 Replies: 112 Views: 5,316 Posted By nordi Solved it in 3 today. Got very lucky on my first... Solved it in 3 today. Got very lucky on my first guess, not so lucky on the second. share shore shire
 Forum: mersenne.ca 2022-01-15, 20:14 Replies: 915 Sticky: mersenne.ca Views: 119,206 Posted By nordi And for the paper mathwiz was referencing, the... And for the paper mathwiz was referencing, the exponents are 1009,1093,1109,1117,1123,1129,1151,1153,1171,1193 as listed on pages 16 to 17.
 Forum: mersenne.ca 2022-01-15, 19:57 Replies: 915 Sticky: mersenne.ca Views: 119,206 Posted By nordi M991: mersenneforum.org users, see... M991: mersenneforum.org users, see https://www.mersenneforum.org/showthread.php?p=404290#post404290 M1061: Greg Childers, see M1061.pdf (https://physics.fullerton.edu/gchilders/M1061.pdf) ...
 Forum: Data 2022-01-15, 15:28 Replies: 134 Views: 8,130 Posted By nordi You mean in order to potentially find another... You mean in order to potentially find another factor in stage 2? Yes, it is (https://www.mersenne.ca/exponent/11956333).
 Forum: Lone Mersenne Hunters 2022-01-04, 12:42 Replies: 2,129 Views: 311,219 Posted By nordi M12086257 has a 232.056-bit (70-digit) composite... M12086257 has a 232.056-bit (70-digit) composite (P21+P22+P28) factor: 7175325903126100642770883886258989157868691603487785881027652989293479 (https://www.mersenne.ca/M12086257)...
 Forum: Data 2021-12-28, 17:32 Replies: 7 Views: 882 Posted By nordi That was super lucky! The first time since 2014... That was super lucky! The first time since 2014 that a new record gets set. Congrats to Alpertron and Xyzzy! And we can actually try our luck a bit more: The P-1 can still be extended and TF...
 Forum: Data 2021-12-27, 09:34 Replies: 7 Views: 882 Posted By nordi Awesome! Until a few days ago, there were only 3... Awesome! Until a few days ago, there were only 3 such numbers, and all their factors had been found in 2014 or earlier. And now we have two more within two weeks! Are you still going to do P-1 stage...
 Forum: Data 2021-12-17, 01:37 Replies: 108 Views: 5,983 Posted By nordi I would see the positive side here: The fact that... I would see the positive side here: The fact that this factor was found by ECM shows that no in-depth P-1 was run on this number, and likely other numbers in that range. At least not prior to October...
 Forum: Lone Mersenne Hunters 2021-12-17, 00:12 Replies: 2,129 Views: 311,219 Posted By nordi This one was found by ramgeis, not by me, but I'm... This one was found by ramgeis, not by me, but I'm still fond of it: M3356318939 (https://www.mersenne.ca/exponent/3356318939) has a 84.652-bit (26-digit) factor: 30392108107422786794726689 ...
 Forum: Software 2021-12-10, 00:04 Replies: 561 Views: 40,846 Posted By nordi I tried and it got stuck again. I tried and it got stuck again.
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