Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails37979801Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 725000B2 = 16312500LLStatusDateUserResidueShiftSoftwareVerified2009-10-05Dan H62B3EA7519274E1428641793Windows,Prime95,v25.9,build 4Verified2014-08-27Dubslow62B3EA7519274E1431726589Linux 64-bit,Prime95,v28.5,build 2HistoryDateUserTypeResult2024-05-26LaurVNFno factor TF: 68-692022-07-05RichD0NFno factor TF: 72-732018-05-31Architects CubedNF-PM1B1=725000, B2=16312500, E=122018-05-26Architects CubedNFno factor TF: 71-722014-08-27DubslowC-LL62B3EA7519274E142014-04-03Jerry HallettNFno factor TF: 70-712014-04-03Jerry HallettNFno factor TF: 69-702013-09-04Carsten KossendeyNFno factor TF: 68-692009-10-05Dan HC-LL62B3EA7519274E142007-03-20AmperioNF-PM1B1=6100002006-05-29-anonymous-NFno factor TF: 1-68