user=unconnected
[2021-02-02 03:57:46]
501*2^1606667-1 is not prime.  Res64: EFE7BADB6F2C7784  Time : 0.0 sec.
user=unconnected
[2021-02-02 13:50:44]
523*2^1606667-1 is not prime.  Res64: 4A087D37B84BA041  Time : 0.0 sec.
user=mdettweiler
[2021-02-02 23:13:03]
531*2^1606667-1 is not prime.  Res64: 4C86D78E9ACB62BB  Time : 0.0 sec.