20110528, 20:05  #1 
Jun 2003
2×59 Posts 
Some questions about M929
After what I think being a reasonable googling, it seems like the status for this number is .. no effort being done.
http://www.mersenne.org/report_ECM/ lists it as having 20,200 of 112000 curves at B1 = 260000000. I infrequently check this, and no new curves has been registered there for ages. This being a most wanted number, leads me to think that there would be more activity (ecm work or nfs factoring), yet I find nothing. Is there any particular reason ? Am I missing something ? If not, I am going to do some curves on it :) 
20110528, 21:31  #2  
"Forget I exist"
Jul 2009
Dumbassville
3·2,797 Posts 
Quote:


20110528, 21:32  #3 
6809 > 6502
"""""""""""""""""""
Aug 2003
101×103 Posts
2^{2}·3·887 Posts 
It might be being sieved, NFS or such like.

20110528, 21:33  #4 
"Forget I exist"
Jul 2009
Dumbassville
3·2,797 Posts 

20110528, 23:13  #5  
P90 years forever!
Aug 2002
Yeehaw, FL
2·23·173 Posts 
Quote:


20110529, 01:13  #6  
"Bob Silverman"
Nov 2003
North of Boston
2^{3}·3·311 Posts 
Quote:
At this time, running ECM on either the 2 or 2+ numbers is unlikely to be productive. If one wants to concentrate on base 2, do the 2LM's. 

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