Generalized repunit

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

(135^11953+1)/136 is 3-PRP! (51.5290s+1.6779s) (2008-11-04, 09h27m UTC)

Additional results:
(135^11953+1)/136 is 2-PRP! (52.2930s+0.0009s)
(135^11953+1)/136 is 5-PRP! (80.7031s+0.0009s)
(135^11953+1)/136 is 7-PRP! (54.1421s+0.0009s)
(135^11953+1)/136 is 11-PRP! (86.3641s+0.0009s)

To be completed...