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 Showing results 1 to 25 of 69 Search took 0.02 seconds. Search: Posts Made By: Brownfox
 Forum: Factoring 2021-07-22, 09:40 Replies: 427 Views: 18,671 Posted By Brownfox What rules of thumb are people using to decide... What rules of thumb are people using to decide how much ECM to do before embarking on NFS? For instance, the last composite for (6,10) is a c177 for GNFS, or a c209 for SNFS Quartic. I've done...
 Forum: Factoring 2021-07-22, 09:16 Replies: 521 Views: 97,972 Posted By Brownfox Yup, today is officially Large Factor day: ... Yup, today is officially Large Factor day: GMP-ECM 7.0-dev [configured with MPIR 2.6.0, --enable-openmp] [ECM] Input number is...
 Forum: Hobbies 2021-07-01, 14:30 Replies: 78 Views: 27,370 Posted By Brownfox He's a character in a TV comedy called 'Allo... He's a character in a TV comedy called 'Allo 'Allo. See e.g. https://alloallo.fandom.com/wiki/Otto_Flick
 Forum: Factoring 2021-06-25, 07:55 Replies: 427 Views: 18,671 Posted By Brownfox (8,-6) completed by GNFS. C143 = P70 * P73. We... (8,-6) completed by GNFS. C143 = P70 * P73. We weren't likely to get that one by ECM.
 Forum: Lounge 2021-06-23, 18:27 Replies: 2,101 Views: 99,206 Posted By Brownfox errant each random result affects numeric... errant each random result affects numeric total result
 Forum: Factoring 2021-06-05, 21:18 Replies: 427 Views: 18,671 Posted By Brownfox I will factor the composites for (4, -8) : line 84 I will factor the composites for (4, -8) : line 84
 Forum: Science & Technology 2020-12-23, 10:21 Replies: 234 Sticky: Poll: COVID vaccination wavefront Views: 16,904 Posted By Brownfox My father is in one of the top categories. He... My father is in one of the top categories. He hasn't been contacted at all yet. Keeping fingers crossed he doesn't get Covid.
 Forum: Msieve 2020-10-21, 19:35 Replies: 12 Views: 3,135 Posted By Brownfox I think you've just crossed a boundary into... I think you've just crossed a boundary into needing the 14e siever, which is why it seems to be longer. It just needs more relations - probably 40-45 million, based on similar numbers that...
 Forum: FermatSearch 2020-09-05, 19:57 Replies: 8 Sticky: gfn reservations Views: 9,473 Posted By Brownfox Reserving n:21000 - 22000, k:2e6 to 3e6 Reserving n:21000 - 22000, k:2e6 to 3e6
 Forum: FermatSearch 2020-08-31, 13:20 Replies: 3 Views: 2,637 Posted By Brownfox Is that the strategy? I need to run pfgw first to... Is that the strategy? I need to run pfgw first to get a timing a d then filter until the elimination rate is less than the time to check?
 Forum: FermatSearch 2020-08-31, 08:58 Replies: 3 Views: 2,637 Posted By Brownfox Maximum prime for sieving Sorry, couldn't find a suitable thread for this. If I was to use gfndsieve to sieve a range of potential candidates, does anyone have any rules of thumb as to when it is best to stop sieving and...
 Forum: Factoring 2020-08-10, 17:55 Replies: 964 Views: 109,336 Posted By Brownfox All of the remaining entries in the MWRB file... All of the remaining entries in the MWRB file have SNFS difficulty above 210. That is about the upper limit of my resources and NFSNET has reserved the next one, so this is a good point to stop...
 Forum: Lounge 2020-04-11, 06:28 Replies: 1,711 Views: 86,518 Posted By Brownfox guest Greatly unusual Easter Saturday... guest Greatly unusual Easter Saturday today today
 Forum: Soap Box 2020-02-05, 16:09 Replies: 685 Views: 78,471 Posted By Brownfox The men on horseback have vanished over the... The men on horseback have vanished over the horizon; the 20-mule team wagons look like they're going to join them. Only the tortoises stand between the Iowa Dems and an ignominious last place in the...
 Forum: Factoring 2019-09-17, 17:12 Replies: 964 Views: 109,336 Posted By Brownfox Degree 4 will be much slower at this size of... Degree 4 will be much slower at this size of exponent, in my experience. Degree 5 may be worth a look but I think the original polynomial from lavalamp will probably be best.
 Forum: Lounge 2019-09-09, 13:31 Replies: 1,711 Views: 86,518 Posted By Brownfox "Buffoon's organisation risible", Irish say ... "Buffoon's organisation risible", Irish say Irish
 Forum: Lounge 2019-08-04, 20:48 Replies: 4,343 Views: 351,272 Posted By Brownfox Actually XXXX was the original form of 40... Actually XXXX was the original form of 40 - XL was a later addition. So as long as you mean 40 and not beer, you'll be ok.
 Forum: Lounge 2019-07-08, 20:22 Replies: 4,343 Views: 351,272 Posted By Brownfox Some people who know about these things have... Some people who know about these things have suggested (https://www.primitiveways.com/marcasite%20and%20flint.html) that flint can be used to generate a spark using naturally occurring iron...
 Forum: Factoring 2019-05-24, 17:44 Replies: 964 Views: 109,336 Posted By Brownfox That's what I've been doing. So far as I am aware... That's what I've been doing. So far as I am aware only RichD and I are factoring these anyway.
 Forum: Factoring 2019-04-08, 08:51 Replies: 14 Views: 2,975 Posted By Brownfox I'm factoring composites from the MWRB file in... I'm factoring composites from the MWRB file in SNFS difficulty order regardless of weight. There are no composites left with difficulty under 200 digits.
 Forum: Factoring 2019-04-04, 12:29 Replies: 964 Views: 109,336 Posted By Brownfox All done. That completes all the Most Wanted... All done. That completes all the Most Wanted numbers with SNFS difficulty under 200 digits,
 Forum: Lounge 2019-03-27, 09:50 Replies: 53 Views: 2,600 Posted By Brownfox
 Forum: Lounge 2019-03-19, 15:27 Replies: 230 Views: 42,846 Posted By Brownfox Yop. I've seen videos of this behaviour... Yop. I've seen videos of this behaviour somewhere. I regularly pass Eurasian magpies (Pica pica) waiting on the hard shoulder next to a piece of roadkill. They've figured out that cars don't come...
 Forum: Lounge 2019-03-19, 15:16 Replies: 1,711 Views: 86,518 Posted By Brownfox Bercow revelation arrests isolationist notion ... Bercow revelation arrests isolationist notion speak
 Forum: Factoring 2019-03-12, 07:47 Replies: 964 Views: 109,336 Posted By Brownfox Now taking 3754507^29-1 and 2507473*31-1 Now taking 3754507^29-1 and 2507473*31-1
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