4089*2^733636-1 (220851 digits)

165*2^1235490-1 (371922 digits)

1295*2^971034-1 (292314 digits) 593
1157*2^972310-1 (292698 digits) 591

4155*2^737319-1 (221959 digits)

2175*2^929651-1 is prime. 279857 digits.

Thanks again to Steven for allowing me to co-search his 2055-2175 reservations.
-Curtis

megabit drive:
57*2^1486214-1 (447397 digits)

& another one from the megabit drive, a pleasant surprise:
61*2^1487125-1 (447672 digits)

4063*2^738843-1 (222418 digits)

4177*2^740641-1 (222959 digits)

From the megabit prime drive
69*2^1473217-1 (443485 digits)

1127*2^976584-1 (293985 digits)
1279*2^977033-1 (294120 digits)
1011*2^977446-1 (294244 digits)