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 Showing results 1 to 25 of 528 Search took 0.07 seconds. Search: Posts Made By: Dylan14
 Forum: Software 2020-11-16, 22:35 Replies: 5 Views: 273 Posted By Dylan14 If you are sieving k*2^n-1 you should consider... If you are sieving k*2^n-1 you should consider using mtsieve, which has a sieve called fbncsieve which can sieve this form faster than newpgen (and it's multithreaded too). Anyway, to answer your...
 Forum: FermatSearch 2020-11-15, 14:39 Replies: 194 Sticky: Reservations Views: 27,776 Posted By Dylan14 Taking the following gaps, to test with gfndsieve... Taking the following gaps, to test with gfndsieve + pfgw with the -gx flag: n: 80001-80999, k: 25e4-30e4 n: 90001-90999, k: 20e4-25e4
 Forum: NFS@Home 2020-11-13, 23:35 Replies: 87 Views: 3,923 Posted By Dylan14 428__749_19m1 was factored: p65 factor:... 428__749_19m1 was factored: p65 factor: 87068987214238717276344079692716779463986237652028200858012718259 p68 factor: 64933503260370506846776791166099887878358697080264220966191908254307 p93...
 2020-11-13, 20:16 Replies: 9 Views: 254 Posted By Dylan14 Doing a quick search with pfgw with the -f1 flag,... Doing a quick search with pfgw with the -f1 flag, the following numbers are prime or 3-PRP for the form x!^2 +/- 1 up to x = 2000: 0!^2+1 1!^2+1 2!^2+1 3!^2+1 4!^2+1 5!^2+1 9!^2+1 10!^2+1
 Forum: Riesel Prime Search 2020-11-04, 02:26 Replies: 383 Views: 44,257 Posted By Dylan14 update 11/3 k = 50171 is at 3.883 M, is on hold for the moment while I do a Carol-Kynea reservation. Please keep it reserved to me.
 2020-11-02, 19:33 Replies: 259 Views: 29,465 Posted By Dylan14 Update 11/2 Base 10 at 130k, no primes found, continuing...
 Forum: Software 2020-11-02, 16:39 Replies: 457 Views: 37,654 Posted By Dylan14 For anyone that uses Arch Linux or its... For anyone that uses Arch Linux or its derivatives, I've made mtsieve into an AUR package (https://aur.archlinux.org/packages/mtsieve/). All that's needed to install it is to run pikaur -S...
 Forum: NFS@Home 2020-10-30, 02:36 Replies: 514 Views: 40,937 Posted By Dylan14 553__509_11m1 was factored: p58 factor:... 553__509_11m1 was factored: p58 factor: 3802646817610203227533918268531415318430147930201954335037 p143 factor:...
 Forum: NFS@Home 2020-10-29, 04:28 Replies: 514 Views: 40,937 Posted By Dylan14 Taking 553__509_11m1. Taking 553__509_11m1.
 2020-10-24, 19:24 Replies: 5 Views: 427 Posted By Dylan14 Do you have search limits for these forms? Do you have search limits for these forms?
 Forum: Dylan14 2020-10-24, 18:10 Replies: 19 Sticky: A Guide for Python Views: 4,290 Posted By Dylan14 Introduction to lists (placeholder)
 Forum: NFS@Home 2020-10-12, 14:25 Replies: 87 Views: 3,923 Posted By Dylan14 f45_151m1 was factored: p82 factor:... f45_151m1 was factored: p82 factor: 8333609684301502260065482359988445887380053452775916486741008483855806118032252769 p100 factor:...
 2020-10-06, 14:46 Replies: 259 Views: 29,465 Posted By Dylan14 Reserving base 10 to 200k. Also formally... Reserving base 10 to 200k. Also formally unreserving base 2 (was shown as being unreserved a while ago on NPLB, but was still shown as reserved to me on the PrimeWiki.)
 Forum: NFS@Home 2020-10-03, 14:22 Replies: 87 Views: 3,923 Posted By Dylan14 8p3_870M was factored: p73 factor:... 8p3_870M was factored: p73 factor: 1113395195181441232897635316868625150150474892498911434248545375214552261 p120 factor:...
 Forum: Msieve 2020-09-26, 15:42 Replies: 2 Views: 549 Posted By Dylan14 Outdated msieve build in Arch AUR So, I decided to take on a number to post-process for NFS@Home (namely, 8p3_870M), and I wanted to try the number out on an Arch Linux install. I saw in the AUR that there is an msieve package which...
 Forum: NFS@Home 2020-09-24, 13:24 Replies: 87 Views: 3,923 Posted By Dylan14 Also reserving f45_151m1 for post-processing. Also reserving f45_151m1 for post-processing.
 Forum: NFS@Home 2020-09-16, 22:09 Replies: 87 Views: 3,923 Posted By Dylan14 Reserving 8p3_870M for postprocessing. Reserving 8p3_870M for postprocessing.
 Forum: NFS@Home 2020-09-16, 22:05 Replies: 514 Views: 40,937 Posted By Dylan14 765__127_7m1 was factored: p69 factor:... 765__127_7m1 was factored: p69 factor: 247266618809857364769432394200200277984439717886775222264610206604661 p136 factor:...
 Forum: NFS@Home 2020-09-07, 00:03 Replies: 514 Views: 40,937 Posted By Dylan14 91997_43m1 was factored: p52 factor:... 91997_43m1 was factored: p52 factor: 9596265036010581604338742365787303364306581650247103 p157 factor:...
 Forum: Alberico Lepore 2020-09-05, 16:52 Replies: 15 Views: 1,397 Posted By Dylan14 Running your choice of equations, I get the... Running your choice of equations, I get the following: F = 65107482205674607 A = 781289786468095309/36 B = 65107482205674607/3 C = 65107482205674608/3 so you are correct that F is an integer,...
 2020-09-02, 16:32 Replies: 373 Views: 40,011 Posted By Dylan14 Attached are two builds of mmff v0.28.1 (Gary's... Attached are two builds of mmff v0.28.1 (Gary's source), compiled on Ubuntu 20.04, with Cuda 10.1 and sm_61 (good for Pascal cards, ie GTX10xx). The first build is with a default max sieve size, the...
 2020-09-02, 13:24 Replies: 493 Sticky: Reservations Views: 38,675 Posted By Dylan14 Reserving MMFactor=107,10e15,12e15. Reserving MMFactor=107,10e15,12e15.
 Forum: FermatSearch 2020-09-02, 13:18 Replies: 194 Sticky: Reservations Views: 27,776 Posted By Dylan14 Range is complete: no factor for k*2^74+1 in k... Range is complete: no factor for k*2^74+1 in k range: 8000000000000000 to 9007199254740991 (127-bit factors) [mmff 0.28 mfaktc_barrett128_F64_95gs] no factor for k*2^74+1 in k range:...
 Forum: enzocreti 2020-09-01, 17:13 Replies: 3 Views: 760 Posted By Dylan14 This would be the intersection of 078778 (n such... This would be the intersection of 078778 (n such that n!+1 is semiprime) and 078781 (n such that n!-1 is semiprime). There is no separate sequence (yet, as far as I can tell).
 Forum: Puzzles 2020-08-30, 14:40 Replies: 20 Views: 2,055 Posted By Dylan14 This looked like an interesting problem to code... This looked like an interesting problem to code up in Python. Here is one code snippet that does the search brute force, like the OP did: #Challenge - find a power of 2 such that it does not...
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