Could have
been fun to test it. But I forgot to ask, and Multisieve'd... (and so did Fukui, apparently)
It still could be fun, for everyone! (It's been a bit silent in this thread.)
_______________________________________________
EDIT: and after a day or two, these were deleted; so apparently it isn't so much fun doing something completely different, after all.
These were: 76190!2 - 1 (Fukui + Multisieve), 100654!2 - 1 and 123998!2 + 1 (Batalov + Multisieve).