Generalized repunit

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

(150^15139+1)/151 is 3-PRP! (107.5593s+2.1134s) (2008-11-05, 06h18m UTC)

Additional results:
(150^15139+1)/151 is 2-PRP! (110.5920s+0.0011s)
(150^15139+1)/151 is 5-PRP! (140.7709s+0.0011s)
(150^15139+1)/151 is 7-PRP! (108.8574s+0.0011s)
(150^15139+1)/151 is 11-PRP! (155.2430s+0.0010s)

To be completed...