Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails34332833Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 271P-1B1 = 400000B2 = 10300000LLStatusDateUserResidueShiftSoftwareVerified2005-04-02Alexandr Fomin313B916D6F9AB8875487438Windows,Prime95,v23,(aka WZ1)Verified2015-05-26Dubslow313B916D6F9AB8874003318Linux 64-bit,Prime95,v28.6,build 1HistoryDateUserTypeResult2024-05-30ChuckNFno factor TF: 68-692020-03-01-anonymous-NFno factor TF: 73-742019-11-10-anonymous-NFno factor TF: 72-732019-11-10-anonymous-NFno factor TF: 71-722015-05-26DubslowC-LL313B916D6F9AB8872014-02-05Jerry HallettNFno factor TF: 70-712014-02-03Architects CubedNFno factor TF: 69-702013-08-11Carsten KossendeyNFno factor TF: 68-692005-04-02-anonymous-C-LL313B916D6F9AB8872005-02-12-anonymous-NFno factor TF: 1-682005-02-12-anonymous-NF-PM1B1=400000, B2=10300000