1357*2^919301-1 (276741 digits)

6th Drive

205*2^1300401-1 (391463 digits)

10th Drive:

18209*2^736524-1 (221721 digits)

The first prime after more than a month!

4005*2^685729-1 (206429 digits)

8th drive:
3345*2^806591-1 (242812 digits)

8331405*2^1297878-1 (390708 digits)

4017*2^686586-1 (206687 digits)

443*2^1143154-1 (344127 digits).

Alas, not a base 16 prime, as this is the smallest unproven k in riesel base 16.
-Curtis

1349*2^921752-1 (277479 digits)

8th drive:
7245*2^808105-1 (243268 digits)

8331405*2^1331801-1 (400919 digits)