Re: find (n-1)/2 is prime

<andwing@xxxxxxxxx> wrote:
How I can find prime number n, (n-1)/2 is prime too?
My computer has touched already more than 10000 numbers,
but (n-1)/2 does not pass the test of Miller-Rabin

Try some more.

(There are more efficient ways to do this, and it has been discussed
here previously.)

--
Kristian Gjøsteen
.