20151024, 11:47  #12 
"Åke Tilander"
Apr 2011
Sandviken, Sweden
2·283 Posts 
To contribute also a little to the discussion we expected to find roghly 6 Mersenne primes with 19 decimal digits, 6 more with 1099 decimal digits and so forth
.... and 6 with 10 000 000 to 99 999 999 decimal digits Very unexpectedly ,we have already found 4 in this interval, so far we have been extremely lucky, but if we are unlucky there might only be 1 or two more Mp with less then 100 000 000 decimal digits. Here is a Little table: 
20151024, 12:54  #13  
Aug 2012
Mass., USA
2·3·53 Posts 
Quote:


20151024, 12:58  #14 
"Åke Tilander"
Apr 2011
Sandviken, Sweden
566_{10} Posts 
An updated list, including also the M#
Last fiddled with by aketilander on 20151024 at 13:00 
20151024, 16:46  #15 
Basketry That Evening!
"Bunslow the Bold"
Jun 2011
40<A<43 89<O<88
3·29·83 Posts 

20160119, 23:04  #16 
Oct 2015
2·7·19 Posts 

20160119, 23:32  #17 
"Forget I exist"
Jul 2009
Dumbassville
8384_{10} Posts 

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