user=juhehe
[2015-06-01 02:03:24]
619*2^1399841-1 is not prime.  Res64: 94AFA20B51051B96  Time : 0.0 sec.
user=juhehe
[2015-06-01 05:40:08]
649*2^1399841-1 is not prime.  Res64: 87C3C36C7DF0BA50  Time : 0.0 sec.