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Old 2017-12-16, 00:51   #2839
VBCurtis
 
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Factors, reported to FactorDB this time:
Code:
5549197341624338233523401594270651210469419943578860543352095617937601
1811457164989861608083111991415393667057176845661763189253626073324202259447
CADO took 1.7 megathreadseconds for the C146 factorization. That includes 10 hrs wall clock time for the linear algebra.
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Old 2018-01-07, 07:00   #2840
RichD
 
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Default C135 @ i12513

yoyo found a p43 leaving a C135 at this step.

Anyone interested at finishing it off?
(I am over committed right now and can't do it for a while.)
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Old 2018-01-07, 16:36   #2841
Dubslow
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40<A<43 -89<O<-88

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I got it.
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Old 2018-01-10, 03:15   #2842
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The following C185 has had at least t45 with continuing (if extremely slow) ECM by me. Looks like a likely GNFS target. It would take me 90 hours to complete ECM to t50, but I'm letting it run now while my computer access is intermittent. Either yoyo@home or someone else can complete ECM (to ~t55 level I would think) and begin a poly search.

Last fiddled with by Dubslow on 2018-01-10 at 03:16
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Old 2018-01-14, 17:55   #2843
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Dubslow - any hits? You mention intermittent computer access, but let us know when you can about progress.

Maybe yoyo can take on ECM to t55 if necessary? I don’t have the resources available currently.
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Old 2018-01-14, 21:01   #2844
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A P46 popped out right after I PM'd yoyo@home, and the C140 residual will be done in a few hours (Sandy Bridge quad core isn't very fast these days, but at least I'm back home after the holidays now)

Last fiddled with by Dubslow on 2018-01-14 at 21:01
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Old 2018-01-15, 21:08   #2845
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Index 12515 has a C197. t40 complete, 12 hours on my box to completing t45. 4/13s ECM rule suggests a t60 be completed. I think we'd definitely need yoyo@home for this.

Perhaps two runs for yoyo@home: a hybrid t50/t55 -- perhaps 12K@75M, with the second round being a standard t60 42K@260M?

Last fiddled with by Dubslow on 2018-01-15 at 21:10
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Old 2018-02-25, 14:29   #2846
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yoyo@home seems to have completed ECM to at least the t60 level. I believe poly select can now begin, although perhaps some further ECM is warranted -- or perhaps not.
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Old 2018-03-25, 23:56   #2847
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Default C197 @ i12515

yoyo is completing 10K @ 850e6. This is surely enough ECM. A C197 can also be added to the poly select/generation queue.
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Old 2018-10-25, 11:20   #2848
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Default C174 @ i12516

It looks like yoyo completed a full t55 plus 8000 @ t60 on the remaining C174. Should be ready for poly selection.
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Old 2018-12-01, 22:05   #2849
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Default C153 @ i12518

Anybody running ECM on the C153? After the C174 was split, it has advanced a couple terms but nothing recently. It stands at:

2^2 * 3^2 * 7^2 * ... * C153
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