mlucas(1) on Linux
The text 90d8b0a78cef, as Debian 13 (Trixie) shipped it. The page shows this text now.
program to perform Lucas-Lehmer test on a Mersenne number, 2 ^ p - 1
Flags it lists
-
-f -
-fftlen -
-h -
-m -
-nthread -
-radset -
-s