user=kruoli [2022-06-13 17:02:50] 301*2^3211281-1 is prime! Time : 0.0 sec. user=kruoli [2022-12-24 11:04:51] 303*2^4471002-1 is prime! Time : 0.0 sec. user=kruoli [2023-08-23 14:05:03] 309*2^4745713-1 is prime! Time : 0.0 sec. user=kruoli [2023-08-29 01:41:15] 303*2^4748019-1 is prime! Time : 0.0 sec.