Generalized repunit (base -122)

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(122^12889+1)/123 is 3-PRP! (191.9606s+2.5458s) (2008-11-13, 03h56m UTC)

Additional results:
(122^12889+1)/123 is 2-PRP! (128.2439s+0.0167s)
(122^12889+1)/123 is 5-PRP! (105.4584s+0.0008s)
(122^12889+1)/123 is 7-PRP! (95.4926s+0.0008s)
(122^12889+1)/123 is 11-PRP! (91.9819s+0.0007s)

To be completed...