Generalized repunit (base -180)

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

(180^8101+1)/181 is 3-PRP! (29.4544s+0.9112s) (2008-11-20, 08h17m UTC)

Additional results:
(180^8101+1)/181 is 2-PRP! (38.6616s+0.0004s)
(180^8101+1)/181 is 5-PRP! (28.4283s+0.0004s)
(180^8101+1)/181 is 7-PRP! (41.7065s+0.0005s)
(180^8101+1)/181 is 11-PRP! (28.4704s+0.0004s)

To be completed...