user=matzetoni [2019-02-06 15:47:11] 537*2^1588009-1 is not prime. Res64: 106F219A0613039A Time : 0.0 sec. user=matzetoni [2019-02-06 15:51:26] 565*2^1588009-1 is not prime. Res64: F7D312EA76FBC2B4 Time : 0.0 sec.