Generalized repunit (base -180)

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(180^7369+1)/181 is 3-PRP! (25.8114s+0.5341s) (2008-11-20, 07h51m UTC)

Additional results:
(180^7369+1)/181 is 2-PRP! (27.1773s+0.0007s)
(180^7369+1)/181 is 5-PRP! (36.4881s+0.0004s)
(180^7369+1)/181 is 7-PRP! (26.9033s+0.0004s)
(180^7369+1)/181 is 11-PRP! (35.4227s+0.0004s)

To be completed...