20101103, 00:37  #1 
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
4,457 Posts 
230 bits! M1237 (partially) factored
Code:
George Woltman Manual testing 1237 FECM Nov 2 2010 3:07PM 0.0 0.0000 2538207129840687799335203259492870476186248896616401346500027311795983 I mean 230 bits Last fiddled with by petrw1 on 20101103 at 00:37 
20101103, 00:50  #2 
P90 years forever!
Aug 2002
Yeehaw, FL
2·3·1,193 Posts 
Not me, I just record the result.

20101103, 00:50  #3 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
21703_{8} Posts 

20101103, 01:48  #4  
Jun 2005
lehigh.edu
2^{10} Posts 
Quote:
even aside from the number of !!'s. Any chance of a moderator changing digits to bits (or 230 to 70)? And, of course, M1237 is reduced to a 303digit composite; rather than being factored. bdodson Last fiddled with by bdodson on 20101103 at 01:55 Reason: typo 

20101103, 04:05  #5  
1976 Toyota Corona years forever!
"Wayne"
Nov 2006
Saskatchewan, Canada
4,457 Posts 
Quote:


20101103, 11:31  #6 
Jun 2005
lehigh.edu
2^{10} Posts 
Sorry for grumbling; I had earlier read Bob's report of the p70 over on the
Cunningham Tables pages, objecting that M1237 is not in the Cunningham range. The report from epfl in June describes the PS3 code as focussed on 2^M 1 for M from 1100 to 1400, but this wasn't just any 2^M1 ... one of the few with no known factor. This is the first we've heard with M > 1200, definitely a notable start, !!!! indeed. Bruce 
Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Moving partially completed exponents  mbn451  Information & Answers  2  20150905 21:19 
Estimating the number of primes in a partiallyfactored number  CRGreathouse  Probability & Probabilistic Number Theory  15  20140813 18:46 
When did Java *partially* fix their loaded cpu problem?  jasong  Lounge  0  20121213 05:01 
Factored vs. Completely factored  aketilander  Factoring  4  20120808 18:09 
Partially completed 41M DC available  NBtarheel_33  PrimeNet  6  20120118 17:13 