20211128, 10:02  #419  
Feb 2012
Prague, Czech Republ
5×37 Posts 
Quote:
Have you heard physics say "Let's assume a spherical cow"? 

20211128, 12:03  #420 
Apr 2020
248_{16} Posts 

20211128, 12:15  #421  
"Viliam Furík"
Jul 2018
Martin, Slovakia
5×149 Posts 
Quote:


20211128, 12:39  #422 
Feb 2012
Prague, Czech Republ
10111001_{2} Posts 
OMG, what's going on here? We're on a math forum, the conversation in this thread reminded me of a recently thought about
mathematical peculiarity and I shared the interesting result that was not immediately obvious to me. IMO, off topic were all the reactions to my post so far. 
20211128, 14:42  #423 
Sep 2002
Database er0rr
2^{2}·5·199 Posts 
Sorry for the confusion. I was just referring to Tucker's blunder in general.

20211128, 15:34  #424  
Feb 2017
Nowhere
2×5^{2}×107 Posts 
Quote:


20211129, 03:10  #425  
"Tucker Kao"
Jan 2020
Head Base M168202123
1010100000_{2} Posts 
I noticed that Dobri worked on both the trial factoring and P1 of M168000179 and M168000181 during the past few days. There's no need to recheck the lower TF bits under 2^63, they've all been done by other users before and the server had them cleaned up to shorten the result lists. GPU72 recommends all the M168M exponents to be trialfactored up to at least 2^78.
SRBase is currently massfactoring M162M and will likely to reserve and reach M168M within a week or 2. I prefer Dobri to work on the areas where the trial factoring bits have already been done to the higher bits first, so SRBase won't run into Dobri's works during Dec 2021. The entire M168M range should be covered up to at least 2^74 once SRBase finishes them(estimate by Dec 30, 2021). Dobri can safely work on the exponents below since their prefinished bit levels are higher than SRBase's assignments(2^73 to 2^74). https://www.mersenne.org/report_expo...8174000&full=1 https://www.mersenne.org/report_expo...8190000&full=1 https://www.mersenne.org/report_expo...8203000&full=1 https://www.mersenne.org/report_expo...8287000&full=1 Dobri still needs to run the P1 of M168173549 after TF up to 2^78 to wrap up this property. Quote:
There's a symmetrical numerical layout that sticks into the M168,***,*23 format > M168828823 which I plan to work on myself around later tomorrow. Last fiddled with by tuckerkao on 20211129 at 03:59 

20211129, 04:48  #426 
6809 > 6502
"""""""""""""""""""
Aug 2003
101×103 Posts
2^{2}·3·853 Posts 

20211129, 05:35  #427 
"Curtis"
Feb 2005
Riverside, CA
2^{2}·1,289 Posts 

20211129, 05:39  #428 
"TF79LL86GIMPS96gpu17"
Mar 2017
US midwest
13725_{8} Posts 

20211129, 10:15  #429  
"刀比日"
May 2018
13·19 Posts 
Quote:
Even though it is not recommended, redoing TF tests might reveal undetected small factors in rare cases. Running occasionally TF tests up to 2^72 is not time consuming even on my old computers. I will run a P1 test on M168173549 indeed. If the trial factoring of the palindromic 'symbolic exponent' M168929861 does not reveal a factor, then I may run a PRP test out of curiosity. Then I will move to other ranges after this short visit to the 168xxxxxx range. 

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