On Tue, Jun 18, 2019 at 10:33:49PM -0600, Kyle Butt wrote: > Prime: P11_260. > The primes is 260 bits, and is equal to t^11/(t - 1) for t = 2^26 - 15. > p is congruent to 3 mod 4 for cheap square roots. FWIW, the numerator is of course (t^11-1) not t^11. -- Viktor.