user=gd_barnes [2023-01-03 08:14:54] 909219*2^499623-1 is not prime. Res64: C93AAC723222FBCA Time : 0.0 sec. user=gd_barnes [2023-01-03 08:15:57] 909225*2^481051-1 is not prime. Res64: 15FBDA81DBD509AD Time : 0.0 sec.