user=unconnected [2021-03-09 01:46:33] 511*2^1606761-1 is not prime. Res64: 5DF6AF0D6FCFC8B2 Time : 0.0 sec. user=mdettweiler [2021-03-09 02:34:11] 529*2^1606761-1 is not prime. Res64: 6DD4EDEC6D142B8E Time : 0.0 sec. user=mdettweiler [2021-03-09 02:39:56] 549*2^1606761-1 is not prime. Res64: 34E78E6E9B932D87 Time : 0.0 sec.