Generalized repunit (base 190)

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(190^10427-1)/189 is 3-PRP! (49.0845s+1.1559s) (2008-11-23, 22h23m UTC)

Additional results:
(190^10427-1)/189 is 2-PRP! (100.8199s+0.0007s)
(190^10427-1)/189 is 5-PRP! (71.4140s+0.0011s)
(190^10427-1)/189 is 7-PRP! (85.9070s+0.0009s)
(190^10427-1)/189 is 11-PRP! (96.3650s+0.0007s)

To be completed...