user=unconnected [2021-01-12 05:43:24] 549*2^1606651-1 is not prime. Res64: 940DF8DB2519ACDB Time : 0.0 sec. user=unconnected [2021-01-12 21:52:47] 413*2^1606652-1 is not prime. Res64: 7F204B912B5AFE51 Time : 0.0 sec.