user=matzetoni [2019-02-11 13:51:46] 527*2^1588012-1 is not prime. Res64: B7253265088C2B36 Time : 0.0 sec. user=matzetoni [2019-02-11 13:59:21] 545*2^1588012-1 is not prime. Res64: DBBD4C72D0232513 Time : 0.0 sec.