mersenneforum.org - Linear algebra reservations, progress and results

Update:

- C202_137_75 (14e/33) matrix will be checked for viability for first time on Oct 5
- Fib(1301) will start sieving on Oct 7
- F1847 will be factored on Oct 9

YuL	2017-09-30 06:31

C185_1511140989109_17 (14e)

1 Attachment(s)

[URL="http://www.factordb.com/index.php?id=1100000000127909141"]C185_1511140989109_17[/URL] is factored.
[CODE]Sat Sep 30 06:07:33 2017 p61 factor: 3195075354983333018993072212302910626648062180336533014824431
Sat Sep 30 06:07:33 2017 p124 factor: 6866053581418628138975684429050933571964340563592646609306823373430333995948621868010159780548011464787717197933664381967353
[/CODE]LA on the 7.8e6 matrix took ~10.75h using 2x 16 threads on dual Intel Xeon E5-2686 v4 (target_density=120). Log attached and at [URL]https://pastebin.com/yCLxpzUe[/URL].

richs

2017-09-30 18:09

[QUOTE=richs;468193]Reserving 113990869481^19-1 cofactor.[/QUOTE]

[CODE]p63 factor: 691943852250245494331837474859115150841911217964535079917595389
p94 factor: 1857829467488952443176634987848181208474543771687198306463004610584465048406462240996943230827[/CODE]

61 hours on 2 threads Core i3-2310M with 4 GB memory for a 4.5M matrix at TD = 130. Log attached and at [URL="https://pastebin.com/3z5qWqDq"]https://pastebin.com/3z5qWqDq[/URL] .

Factors added to Factordb.

richs

2017-09-30 18:11

[QUOTE=richs;468193]C190_3372531985651_17 is delayed since 4GB of memory on my i3 was not enough for the matrix, and my 8GB machine is finishing a C153 today.[/QUOTE]

C190_3372531985651_17 will be finished in a couple of more days.

richs

2017-09-30 18:13

Reserving C191_22926121_31 please.

Alfred

2017-10-01 07:47

567661^41-1

1 Attachment(s)

[CODE]
prp61 factor: 3476277099574273472586508884176537529459408288497659437163063
prp130 factor: 5899681971112097138912776580374612821598060300277138549017141312121709240692222463211886422794086139184422913947507253233846026563
[/CODE]

I apologize for the circumstances.

RichD

2017-10-01 16:41

C189_4052490063499_17 factored

45 hours to solve an 8.0M matrix using -t 4, w/ TD=132.
[CODE]p63 factor: 114641457989803634490624160851026605567114478238743827949979827
p127 factor: 2203344600433059322486205919457215662495034360676865075054161356334955853233705681423629755994897418669342160211934872143670117[/CODE]
[url]https://pastebin.com/9Wa0uhmh[/url]

RichD

2017-10-01 20:57

Taking C173_130_129 next.

fivemack

2017-10-02 08:35

C172_146_97 done

1 Attachment(s)

[code]
Fri Sep 29 17:10:08 2017 p72 factor: 818610041445214467364775214149472528322943096387261392658948003274279979
Fri Sep 29 17:10:08 2017 p100 factor: 1430293986435778550472478613509436249283933070447776040038556871965350423673053095954828971563693341
[/code]

51.9 hours for 10.16M matrix at density 124 (126 didn't work) on 7 cores E5-2650v2. Log attached and at [url]https://pastebin.com/aVqwRQEE[/url]

richs

2017-10-02 13:41

C190_3372531985651_17 factored

1 Attachment(s)

[QUOTE=richs;467010]Reserving C190_3372531985651_17 please.[/QUOTE]

[CODE]p80 factor: 19468330155109623431655360784279286208259306606135024715280715820427677505452477
p110 factor: 68075911493087799792221558938989463052280916753086931192532185422686984023634755786378066720271997153818276071[/CODE]

214.7 hours on 6 threads i7-5500U with 8 GB memory for a 10.5M matrix at TD = 130. Log attached and at [url]https://pastebin.com/BKnwcG31[/url] .

Factors added to Factordb.