11

This number is a prime.

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The only known prime of the form ((p-1)^q+1)/p, where p and q form a twin prime pair {3, 5}. Can you find the next one? See Sariyar's PRP. [Honaker]

Submitted: 2020-06-26 16:07:42; Last Modified: 2020-07-21 00:19:33.