20171228, 14:40  #78 
Serpentine Vermin Jar
Jul 2014
37·89 Posts 
I try to snag all of the triplechecking assignments and get them finished quickly, otherwise whoever turned in the mismatch is left wondering, and sometimes they run their own triplecheck. If they match their own, I'll be doing an independent verification anyway so I'd rather just do the triplecheck and get it done for them.

20171228, 14:43  #79 
Sep 2002
Database er0rr
3×5^{2}×7^{2} Posts 

20171228, 16:04  #80 
"David"
Jul 2015
Ohio
11·47 Posts 
I have two parallel runs going on Vega 64 FEs. ETA ~ 36 hours. gpuOwl with Jacobi checks.
I’m sure the other verifications that aren’t mprime will also complete before then, but it is nice to be thorough. 
20171228, 16:06  #81 
"Serge"
Mar 2008
Phi(4,2^7658614+1)/2
3×5×17×37 Posts 
20+ years of team effort continues to amaze!
Congratulations to all GIMPS participants!
Everyone who ever tested a composite candidate made this prime possible! 
20171228, 16:22  #82 
Oct 2005
Italy
3·113 Posts 
Please tell us which is the new prime !

20171228, 16:54  #83 
Banned
"Luigi"
Aug 2002
Team Italia
2·29·83 Posts 
We are waiting (and longing for) the other GPU and mlucas checks.
Go GIMPS Go! 
20171228, 17:08  #84 
"Mihai Preda"
Apr 2015
2520_{8} Posts 
Congrats all!
there was a rather surprisingly large hole between M48 at 57'885'161) and the [ex] M49 at 74'207'281. 
20171228, 17:15  #85  
"Robert Gerbicz"
Oct 2005
Hungary
2^{2}·367 Posts 
Quote:


20171228, 17:22  #86 
Oct 2014
Bari, Italy
3·13 Posts 
@preda: LOL!
I tried to predict something similar more than three years ago. http://mersenneforum.org/showthread....050#post388050 Who knows... We, as humans, always look for linearity and simmetry. Math and prime numbers teach us a different plan. Last fiddled with by Luis on 20171228 at 17:24 
20171228, 17:27  #87  
Serpentine Vermin Jar
Jul 2014
37×89 Posts 
Quote:
My theory is that we've missed a prime that will later be found by doublechecking. If we reckon that the error rate (so far) on firsttime checks is around 34%, and we now have 50 Mersenne primes of ever increasing size, I think given that data it's safe to say that eventually a prime will most definitely be missed, sooner or later. My theory is that it's already happened. If it hasn't already happened, it may still happen but I suppose that depends on the robustness of the new error checking methods that have been introduced. It'd be great if those really prove themselves worthwhile and we didn't have to "waste" 50% of the total compute capacity with doublechecks. 

20171228, 17:30  #88  
Serpentine Vermin Jar
Jul 2014
37·89 Posts 
Quote:


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