20070126, 01:37  #12 
Nov 2003
2×1,811 Posts 
New record Woodall :surprised What a surprise!
1268979*2^12689791 (382007 digits) Discovered by W. Siemelink using LLR (L201). Congrats! 
20070315, 17:40  #14 
Feb 2007
110110000_{2} Posts 
I hope my post won't clutter up this thread too much ; my excuses in advance if so, and moderators, please move it to wherever it should be if this place is not OK !
I just discovered the existence of LLR. Is the search for GM's somewhere somehow coordinated ? (People declaring to search some ranges...) To what extend are the gmfcandidates prefactored or elsehow selected ? I just ran llr somehow randomly on such a candidate and it IMMEDIATELY (time << 1 second) found a factor (2^16666417...+1 has factor 18068995989053)  how comes that this easy finding is not mentioned in the gmfcand... file while other bigger factors are there ? Again sorry for my ignorance and maybe inappropriate posting... PS: the llr program does not seem to write a save file when it's killed, like mprime...? 
20070315, 23:13  #15 
May 2005
3122_{8} Posts 
gmfcandidates is prefactored to 32 bits for both GM and GQ, meaning that only if a factor is found for both such an exponent has been eliminated... however by default LLR will look only for GMs so only GM factors will be reported. Check out LLR documentation for details.
BTW: when exiting LLR it will always save it's current progress. 
20070608, 08:35  #16 
May 2005
2×809 Posts 

20070608, 09:43  #17  
Jan 2006
Hungary
2^{2}×67 Posts 
Quote:
Willem. 

20070608, 13:07  #18 
May 2005
2×809 Posts 
Congratulations!!!

20070627, 06:39  #19 
Nov 2003
3622_{10} Posts 
Jeff (L399) of TPS dumped alone about 60 primes at n=333,333 yestreday One more such dump and he will be in top10 by number!

20070721, 22:10  #20 
Nov 2003
2×1,811 Posts 
Congrats to Maks and his son on new largest repunit PRP:
(10^2703431)/9 
20070805, 03:07  #22 
"Curtis"
Feb 2005
Riverside, CA
107B_{16} Posts 
Those 3 are a pretty fortunate grouping! I'd ask "what are the chances?", but knowing this forum, someone would actually calculate it.
Anyone know if primality testing generalized fermats is faster or slower than LLR for samesize riesel numbers? Curtis 
Thread Tools  
Similar Threads  
Thread  Thread Starter  Forum  Replies  Last Post 
Mersenne Primes p which are in a set of twin primes is finite?  carpetpool  Miscellaneous Math  3  20170810 13:47 
Distribution of Mersenne primes before and after couples of primes found  emily  Math  34  20170716 18:44 
Conjecture about Mersenne primes and nonprimes v2  Mickey1  Miscellaneous Math  1  20130530 12:32 
A conjecture about Mersenne primes and nonprimes  Unregistered  Information & Answers  0  20110131 15:41 
possible primes (real primes & poss.prime products)  troels munkner  Miscellaneous Math  4  20060602 08:35 