20051109, 11:23  #100 
Sep 2004
2×5×283 Posts 
Latest news.
M3321932947 has a factor: 998263250453731877623 Should I keep testing up to 71 bits. Need advice. I have a class within 4 hours. Carlos Last fiddled with by em99010pepe on 20051109 at 11:29 
20051109, 11:41  #101  
Banned
"Luigi"
Aug 2002
Team Italia
2·3·13·61 Posts 
Quote:
Luigi 

20051109, 11:44  #102  
Sep 2004
2·5·283 Posts 
Quote:
Carlos Last fiddled with by em99010pepe on 20051109 at 11:46 

20051109, 11:51  #103  
Banned
"Luigi"
Aug 2002
Team Italia
1001010010110_{2} Posts 
Quote:
Mind that the higher the bit depth, the lower the probability to find (more than) one factor. Luigi 

20051109, 11:53  #104 
Sep 2004
2·5·283 Posts 
Ok. Taking the number up to 71 bits. End of story.
Carlos 
20051109, 13:41  #105  
May 2005
Copenhagen, Denmark
17^{2} Posts 
Quote:
(At least that's how it is done in 100MDPP....) Last fiddled with by OmbooHankvald on 20051109 at 13:42 

20051109, 14:32  #106  
Banned
"Luigi"
Aug 2002
Team Italia
2×3×13×61 Posts 
Quote:
Note that it is easier to factorize a number knowing more than one factor, and there is someone who collects Mersenne factors. Luigi 

20051109, 14:52  #107 
Sep 2004
2×5×283 Posts 
OmbooHankvaid,
As Luigi said that's my call. Period. Carlos 
20051110, 03:47  #108  
"William"
May 2003
New Haven
100100110110_{2} Posts 
Quote:


20051110, 10:49  #109 
Sep 2004
2·5·283 Posts 
Final result and end of discussion:
M3321932947 has a factor: 998263250453731877623 M3321932947 no factor from 67.000 bits to 71.000 bits. Trying to take M3321928373 from 72 to 74 bits. Carlos Last fiddled with by em99010pepe on 20051110 at 10:51 
20051110, 14:26  #110 
Nov 2005
2·3 Posts 
I'd like to take exponent 3321928307 from 73 to 74.

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