Generalized repunit (base 154)

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(154^8161-1)/153 is 3-PRP! (27.3992s+0.6350s) (2008-11-06, 07h24m UTC)

Additional results:
(154^8161-1)/153 is 2-PRP! (51.8785s+0.0005s)
(154^8161-1)/153 is 5-PRP! (47.9665s+0.0005s)
(154^8161-1)/153 is 7-PRP! (52.3028s+0.0005s)
(154^8161-1)/153 is 11-PRP! (42.9871s+0.0005s)

To be completed...