user=juhehe [2016-08-19 08:08:07] 571*2^1431633-1 is not prime. Res64: 02368AAB41EACC9E Time : 0.0 sec. user=juhehe [2016-08-19 18:58:24] 513*2^1431634-1 is not prime. Res64: E1CA14BC4657DBFC Time : 0.0 sec. user=juhehe [2016-08-19 22:32:56] 555*2^1431634-1 is not prime. Res64: D9ED39F3251FFE22 Time : 0.0 sec.