20081221, 06:48  #1 
"Juan Tutors"
Mar 2004
1073_{8} Posts 
How far along are you in your 100M digit LL test?
How far along are you in your 100M digit LL test? What is your expected finish date?
I got caught with an exponent that hadn't gotten a P1 test or factoring through 2^75 (which may actually be the norm), so I'm 0% of the way through. I'm probably looking at another month to six weeks before my LL test even starts. The only thing I have is an approximate length of time which will bring me to February 2014. 
20120219, 13:56  #2 
Feb 2012
Athens, Greece
47 Posts 
What if there are some calculation errors during all this time? You'll have to restart the whole calculation, right?

20120219, 14:02  #3 
Undefined
"The unspeakable one"
Jun 2006
My evil lair
19F0_{16} Posts 
If staging files are kept at periodic intervals then it might be possible to avoid beginning from the start. But a much better solution is to only do computations that take a long time (> 1 month IMO) on a machine with ECC.

20120219, 18:41  #4 
Basketry That Evening!
"Bunslow the Bold"
Jun 2011
40<A<43 89<O<88
3·29·83 Posts 

20120219, 19:14  #5 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
5·1,997 Posts 
Another good question would be  how would one know that there were no calculation errors during all this time? ("Because Prime95 didn't report any errors" is not the right answer!)

20120221, 07:04  #6 
"Jason Goatcher"
Mar 2005
3×7×167 Posts 

20120221, 07:36  #7 
"Åke Tilander"
Apr 2011
Sandviken, Sweden
2·283 Posts 
The two 100M digit tests closest to completion
Well there are only two active test which have passed the 50% line and they are:
332194529 presently at 73.10% after 564 days, started at 20100806 by rjohnston 340705633 presently at 96.60% after 539 days, started at 20100831 by Smok_bmv Oldest active 100M digit test is: 332209531 presently at 7.60% after 1199 days, started at 20081109 by AARSOV24751 
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