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Old 2012-04-28, 01:24   #12
Batalov
 
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Mar 2008
Phi(3,3^1118781+1)/3

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http://factordb.com/index.php?query=58%5E140%2B1 dude.
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Old 2012-04-28, 02:05   #13
jcrombie
 
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re ecm effort,

I know there has been some ecm effort put in, but not how much ( cross-posted emails).
Skipping the ecm has generally worked out -- smallest factor so far is a p54. A close
call was a p42 from 46,127- that was in the "factors" file but not the "holes.txt" file. From
the size of factors found I'd say at least t55 (first holes that be).

Cheers

Last fiddled with by jcrombie on 2012-04-28 at 02:37 Reason: p42 was from a different source.
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Old 2012-05-02, 16:26   #14
chris2be8
 
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I've finished up to 75^121-1 and started 75^121+1 so it's time to reserve some more:
92^103+1
93^119-1
93^119+1

Chris
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Old 2012-05-09, 16:36   #15
jcrombie
 
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Reserving:

50 137-

Yes, I really am this slow.
Hopefully can free up some resources for Brent numbers in about 1.5 months
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Old 2012-05-09, 17:07   #16
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I've started 93^119+1 so it's time to reserve:
78^107-1
78^107+1
94^119-1

Although these are a lot easier than jcrombie's reservations, so faster.

Chris
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Old 2012-05-15, 16:17   #17
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I'm now on to 94^19-1 so its time to reserve some more:
76^121-1
76^121+1
95^119+1

Chris
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Old 2012-05-22, 08:38   #18
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I'm on to 95^119+1 so it's time to reserve some more:
14^179+1
74^109-1
83^106+1

Chris
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Old 2012-05-28, 16:16   #19
chris2be8
 
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I'm on to the last of that lot so it's time to reserve:
13^215-1
45^145+1
70^130+1

Since these are quartics they'll take about the same time as the previous set even though they are lower SNFS difficulty.

Chris
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Old 2012-06-05, 15:56   #20
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I'm now on to 70^130+1 so reserving:
20^176+1
30^139-1
37^131+1

Chris
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Old 2012-06-12, 19:29   #21
chris2be8
 
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And my next 3 are:
21^178+1 - this one's a GNFS job
40^143+1
96^119-1

Chris
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Old 2012-06-19, 17:09   #22
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I've nearly finished them so my next 3 are:
59^133+1
76^109-1
97^119+1

Chris
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