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Search: Posts Made By: Dylan14
Forum: sweety439 2020-12-02, 06:57
Replies: 1
Views: 38
Posted By Dylan14
Per the old rieselprime.de site, 1021*2^n+1 has...

Per the old rieselprime.de site, 1021*2^n+1 has been searched to 1.5 M, with n = 112 being the only prime.
It has been searched to n = 2903480 at PrimeGrid, with no prime found. No idea if there are...
Forum: GpuOwl 2020-12-01, 04:26
Replies: 2,609
Views: 174,608
Posted By Dylan14
For Arch I have created a working PKGBUILD for...

For Arch I have created a working PKGBUILD for gpuowl, based on the stable tag version. You can find it here: https://aur.archlinux.org/packages/gpuowl/.
Forum: ONeil 2020-12-01, 03:47
Replies: 2
Views: 113
Posted By Dylan14
Indeed your code does indeed produce a prime or...

Indeed your code does indeed produce a prime or semiprime for any positive input:
I modified your code a bit:

import time
p = 1
start_time = time.time()
while p <= 1000:
n = (((p - 1) % 9...
Forum: Mlucas 2020-11-28, 19:46
Replies: 61
Views: 12,120
Posted By Dylan14
I have posted a working PKGBUILD for the latest...

I have posted a working PKGBUILD for the latest Mlucas to the AUR. You can find it here. (https://aur.archlinux.org/packages/mlucas/)

There are two patches that I had to make to the source to get...
Forum: Software 2020-11-16, 22:35
Replies: 5
Views: 305
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: 28,806
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: 95
Views: 4,439
Posted By Dylan14
428__749_19m1 was factored: p65 factor:...

428__749_19m1 was factored:
p65 factor: 87068987214238717276344079692716779463986237652028200858012718259
p68 factor: 64933503260370506846776791166099887878358697080264220966191908254307
p93...
Forum: And now for something completely different 2020-11-13, 20:16
Replies: 9
Views: 269
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: 395
Views: 45,488
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.
Forum: And now for something completely different 2020-11-02, 19:33
Replies: 259
Views: 30,156
Posted By Dylan14
Update 11/2

Base 10 at 130k, no primes found, continuing...
Forum: Software 2020-11-02, 16:39
Replies: 474
Views: 39,121
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: 518
Views: 43,023
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: 518
Views: 43,023
Posted By Dylan14
Taking 553__509_11m1.

Taking 553__509_11m1.
Forum: And now for something completely different 2020-10-24, 19:24
Replies: 5
Views: 461
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
Views: 4,495
Posted By Dylan14
Introduction to lists

(placeholder)
Forum: NFS@Home 2020-10-12, 14:25
Replies: 95
Views: 4,439
Posted By Dylan14
f45_151m1 was factored: p82 factor:...

f45_151m1 was factored:

p82 factor: 8333609684301502260065482359988445887380053452775916486741008483855806118032252769
p100 factor:...
Forum: And now for something completely different 2020-10-06, 14:46
Replies: 259
Views: 30,156
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: 95
Views: 4,439
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: 605
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: 95
Views: 4,439
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: 95
Views: 4,439
Posted By Dylan14
Reserving 8p3_870M for postprocessing.

Reserving 8p3_870M for postprocessing.
Forum: NFS@Home 2020-09-16, 22:05
Replies: 518
Views: 43,023
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: 518
Views: 43,023
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: 1,508
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,...
Forum: Operazione Doppi Mersennes 2020-09-02, 16:32
Replies: 373
Views: 40,805
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...
Showing results 1 to 25 of 532

 
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