20201006, 14:45  #309 
Undefined
"The unspeakable one"
Jun 2006
My evil lair
5877_{10} Posts 
Yes, true. But let's be less vague and put a figure on that. We expect something on the order of 99.99...% sureness that it will be prime. The actual figure is unknown, but empirically we see such outcomes.

20201006, 15:31  #310 
Einyen
Dec 2003
Denmark
5643_{8} Posts 
Yes, it would be a bigger discovery to find a PRP that was not prime at these sizes than finding the next Mersenne Prime.
But I just wanted to stress that PRP test cannot prove primes but Prime95/mprime can with the LL tests. 
20201007, 14:39  #311  
Random Account
Aug 2009
U.S.A.
1679_{10} Posts 
Quote:


20201007, 14:45  #312 
Undefined
"The unspeakable one"
Jun 2006
My evil lair
3^{2}·653 Posts 

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