1629*2^511617-1 is prime

1917*2^511741-1 is prime
1791*2^511967-1 is prime

1493*2^511680-1 is new prime
1995*2^511752-1 is new prime

2-by-2 they come:

1849*2^514843-1 is prime
1921*2^514969-1 is prime

1925*2^515298-1 is prime.

1839*2^516995-1 New Prime

Added [URL="http://primes.utm.edu/primes/page.php?id=87590"]87590[/URL] : 1875*2^519075-1 (156261 digits)

1431*2^519174-1 New Prime

Added [URL="http://primes.utm.edu/primes/page.php?id=87592"]87592[/URL] : 1449*2^519251-1 (156314 digits)

1981*2^517893-1 is new prime.

1879*2^519269-1 is prime.