user=S_K_ [2019-05-02 10:51:39] 527*2^1593568-1 is not prime. Res64: C14DABBF90BB051C Time : 0.0 sec. user=S_K_ [2019-05-02 13:08:14] 441*2^1593569-1 is not prime. Res64: 64FCA068B331F2F4 Time : 0.0 sec. user=S_K_ [2019-05-02 14:15:18] 481*2^1593569-1 is not prime. Res64: 3DB9014BBCEE03A4 Time : 0.0 sec. user=S_K_ [2019-05-02 16:48:50] 405*2^1593570-1 is not prime. Res64: 32E8624D22496250 Time : 0.0 sec. user=S_K_ [2019-05-02 18:19:57] 447*2^1593570-1 is not prime. Res64: A8B8AC76D10B4675 Time : 0.0 sec.