729*2^2097449-1 is prime

327*2^3006540-1 is prime (port 1468/drive #19)
633*2^2100738-1 is prime (port 2000/drive #18)
1001*2^2101062-1 confirmed prime (port 2000/drive #18, already-known prime from earlier efforts)

Luminescence has 2 primes to report. :-)

Added 135909 : 513*2^2348508-1 (706975 digits)
Added 135910 : 495*2^2343641-1 (705509 digits)

Uhhh, a bit late. Oops :blush:

Added 135934 : 423*2^2353447-1 (708461 digits)

Added 135935 : 523*2^2356047-1 (709244 digits)

Added 135952 : 561*2^2359543-1 (710296 digits)
Added 135953 : 465*2^2360088-1 (710460 digits)

From port 2000 (drive #18):
Added [url=https://t5k.org/primes/page.php?id=135961]135961[/url] : 981*2^2104657-1 (633568 digits)

Added 135988 : 475*2^2369411-1 (713267 digits)

Added 136020 : 423*2^2382134-1 (717097 digits)

Added 136047 : 427*2^2391685-1 (719972 digits)
Added 136048 : 453*2^2395836-1 (721222 digits)