Generalized repunit

Open WinPFGW Version 1.30 - PFGW Version 1.2.0 for Windows [FFT v23.8]

(150^6883+1)/151 is 3-PRP! (20.1828s+0.4645s) (2008-11-04, 20h09m UTC)

Additional results:
(150^6883+1)/151 is 2-PRP! (19.1882s+0.0004s)
(150^6883+1)/151 is 5-PRP! (23.2556s+0.0015s)
(150^6883+1)/151 is 7-PRP! (19.4537s+0.0005s)
(150^6883+1)/151 is 11-PRP! (23.4215s+0.0004s)

To be completed...