« first day (638 days earlier)      last day (596 days later) » 

Peter
Peter
11:02 AM
@Martin Hopf
@hardmath
Is there a prime of the form $n^n+n^2+2^n+1$ for integer $n>1996$ For $n=1996$ a PRP occurs.
 
 
5 hours later…
Peter
Peter
4:02 PM
The first $6$ cases with no known factor are $$164,194,235,354,367,457$$
 

« first day (638 days earlier)      last day (596 days later) »