user=juhehe
[2017-02-19 12:15:14]
451*2^1450255-1 is not prime.  Res64: BFE7D40D882847BF  Time : 0.0 sec.
user=juhehe
[2017-02-19 16:24:30]
463*2^1450255-1 is not prime.  Res64: FB423B63EAD99E74  Time : 0.0 sec.