user=mdettweiler [2021-02-13 02:26:49] 465*2^1606734-1 is not prime. Res64: CB45221BE9ABE023 Time : 0.0 sec. user=mdettweiler [2021-02-13 11:22:01] 521*2^1606734-1 is not prime. Res64: 1F79A7303BCEAE47 Time : 0.0 sec.