user=mdettweiler [2021-02-18 02:08:47] 555*2^1606747-1 is not prime. Res64: CF465F2556395DAD Time : 0.0 sec. user=unconnected [2021-02-18 08:23:55] 523*2^1606747-1 is not prime. Res64: 6299D0523A6A5727 Time : 0.0 sec.