From choose your own k:

5169615*2^317097-1

22932195*2^375440-1 (113027 digits)

From choose your own k:

5169615*2^318754-1 (95962 digits)

692835*2^655075-1 (197204 digits) :banana:

A nice one Larry! :shock: I didn't know you are still on this [I]k[/I].

135*2^235315-1 is prime.

161*2^394974-1 (118902 digits)

Choose your own k:
k=1222853775

1222853775 325685

This makes 133 primes

135*2^245754-1

971081*2^223282-1 (67221 digits)

From the rps drive
697942245*2^327686-1 (98653 digits)
663301485*2^327696-1 (98656 digits)

It looked very suspicious so I re-verified on a different machine.