mersenneforum.org

mersenneforum.org (https://www.mersenneforum.org/index.php)
-   Aliquot Sequences (https://www.mersenneforum.org/forumdisplay.php?f=90)
-   -   Subproject #11: 2^2 * 3 - Lose the '3' (https://www.mersenneforum.org/showthread.php?t=16075)

EdH 2011-12-28 13:52

releasing [URL="http://www.factordb.com/sequences.php?se=1&eff=2&aq=921336&action=last20&fr=0&to=100"]921336[/URL]: size 125, i1638, 2^4 * 3^2 * 5 * p3 * p10 * c110

10metreh 2011-12-29 19:00

Taking 895480

EdH 2011-12-30 05:39

reserving 228150

Andi47 2011-12-30 09:25

[QUOTE=Andi47;283469]sequence 869400 lost the 3....

....and got it right back a few lines later.

I'll keep it for now, and I have uploaded the current status to the DB.[/QUOTE]

It lost the 3 again, and after it has got up to 2^7*something, the following happened in line 1178:

[CODE] 1176 . 303235271994411746812138471581759579534948190085152871647881470302833194607948090332797065601306497902149762405055346770184248 = 2^3 * 206996149 * 8653932098320648968315212752349 * 21159918005730619009245843826436102771461681045904302172317015827416765820555305449031
1177 . 265330865741857682875000027589509088337580763672331063699837594933297331215221744795745060883609959203961691308738172974515752 = 2^3 * 33166358217732210359375003448688636042197595459041382962479699366662166401902718099468132610451244900495211413592271621814469
1178 . 232164507524125472515625024140820452295383168213289680737357895566635164813319026696276928273158714303466479895145901352701298 = 2 * 17 * 71 * 61762201 * 138207418533322331410751 * 356668909047602936674583 * 77652339265007007783802060706051 * 406803466480961679569095071820871429
1179 . 141760769969170566294810950480223797911612490207851606425854485425700788658851836700940171789152532920273181002007657252631182 = 2 * 853 * 32327 * 2570464636324394905916735575516468162905149068330426763821357983193154475324921696103975233685127497150821175255300861
1180 . 71136256745878922389525144849505534746146312357634618884278312150571390505363187030865363901262985106585474693252267122746450 = 2 * 5^2 * 8971 * 1167834467 * 8057819551 * 2120407839961 * 7948074330955326936872538472071109688707530765617875808235524161929329917968804716089127
1181 . 61191929948924669016950731229835127074679420440244649666257039443190369995794189789380044827334270572618045352475808646069166 = 2 * 17 * 79 * 2111 * 224347332672866407849613 * 295033008016183548971647129 * 163045340281373708745824301066834513782237644914389810934995873465323
[/CODE]

:banana:

The sequence is done for the subproject, but hence it has acquired the downdriver, I will keep it.

[SIZE="1"]I will not post the factors to the DB - although it currently has a "hard" c118, I fear that some downdriver-hunters would poach it.[/SIZE]

Batalov 2012-01-03 02:37

[CODE]4788 2807. sz 154 2^2 * 3 * ...[/CODE]
escaped!

BigBrother 2012-01-04 08:28

Reserving 344160

Andi47 2012-01-04 17:08

reserving 274116.

P.S.: The start posting requires an update - although the date says 4th of Jan, not everything as of 30th Dec. has made it to the start posting. (and I hope I am not stepping on anybody's toes - I have not skimmed every page of the thread.)

10metreh 2012-01-05 21:36

Releasing 895480 which has picked up 2^3*3 after a downdriver run. Out of the scope of this project.

BigBrother 2012-01-12 10:13

Releasing [URL="http://factorization.ath.cx/sequences.php?se=1&eff=2&aq=344160&action=last20&fr=0&to=100"]344160[/URL]: size 125, i611, 2^4 * 3 * 17 * 31 * p8 * p8 * c105

Reserving 117516

Andi47 2012-01-12 19:50

[QUOTE=Andi47;282721][B]reserving[/B] 869400[/QUOTE]

I think this one can be moved to the 2^3*3 project.

[CODE] 1305 . 3772411894519112597860593961339690186432306051017693211208121881230349854388595041216069587789198819279674560495103417731496 = 2^3 * 3^2 * 79 * 229 * 8392926265771577 * 86449611943129198409 * 3991605198769449442523343508767174193047090528689938247723782128959406645744793511
1306 . 6619045703745354090607323659994440646042886667482384163962327425673474094919023702614041931545435852803523495424069457148504 = 2^3 * 3^2 * 41 * 359 * 2153 * 4523414794163 * 641319040609699418679413148468180335687897267837506357935435439341821610634213672757316754380602946727
[/CODE]

I will keep it for now, but I don't know whether I'll keep it until it escapes.

Edit: status also updated in the factordb

science_man_88 2012-01-12 20:17

[QUOTE=Andi47;284782]reserving 274116.

P.S.: The start posting requires an update - although the date says 4th of Jan, not everything as of 30th Dec. has made it to the start posting. (and I hope I am not stepping on anybody's toes - I have not skimmed every page of the thread.)[/QUOTE]

I realise I could have done this myself for the aliquots I reserve but at least in this thread that is what the search this thread is for and a wider search this forum could also be used, just thought I'd remind you.


All times are UTC. The time now is 21:52.

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.