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Old 2020-02-27, 07:17   #4
CRGreathouse's Avatar
Aug 2006

3×1,987 Posts

Originally Posted by enzocreti View Post
Among the solutions there are k=69660, 92020 and 541456 which are the exponents of pg primes multiple of 86.
Is it a chance?
Probably! You cover a lot of residue classes, and your method isn't clear. Had you specified a method *before* I found the list it would have been more compelling.
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