user=mdettweiler [2021-03-01 04:29:34] 573*2^1606755-1 is not prime. Res64: B625F4DF71C23CBA Time : 0.0 sec. user=unconnected [2021-03-01 17:57:47] 447*2^1606757-1 is not prime. Res64: 98FAB117469ACDCB Time : 0.0 sec.