855*2^785632-1 is prime.

edit:
I can't believe my first ever reportable prime (27*2^627794-1) is now off the list. Found nearly 6 years ago at position 198. I still haven't found a higher placed one.

805*2^789495-1 is prime.

951*2^800305-1 is prime
Having a really good time with primes this year.

851*2^801966-1 is prime.

819*2^796381-1 is prime

Ototero found 913*2^796423-1 is prime.

979*2^803865-1 is prime.

983*2^799052-1 is prime

949*2^806651-1 is prime.

313*2^1137387-1 is prime.

987*2^812548-1 is prime