Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails34419961Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 271P-1B1 = 1500000B2 = 45000000LLStatusDateUserResidueShiftSoftwareBad2005-04-26Erik Thiesemann9A0130C3CE0B4A8D9109808Windows,Prime95,v23,(aka WZ1)Verified2015-05-21Architects CubedF77A72B582775B9C9131588Linux 64-bit,Prime95,v27.9,build 1Verified2015-06-04DubslowF77A72B582775B9C34071114Linux 64-bit,Prime95,v28.6,build 1HistoryDateUserTypeResult2021-10-21Yves de WandelaarNFno factor TF: 74-752021-07-15megavinkNF-PM1B1=1500000, B2=450000002020-03-13-anonymous-NFno factor TF: 73-742019-10-28LaurVNFno factor TF: 71-722019-10-28LaurVNFno factor TF: 72-732015-06-04DubslowC-LLF77A72B582775B9C2015-05-21Architects CubedC-LLF77A72B582775B9C2014-02-14kdgehmanNFno factor TF: 69-702014-02-14kdgehmanNFno factor TF: 70-712013-07-28Torben K.NFno factor TF: 68-692005-04-26-anonymous-C-LL9A0130C3CE0B4A8D2005-02-23-anonymous-NF-PM1B1=385000, B2=78925002005-02-18-anonymous-NFno factor TF: 1-682004-11-031997rj7NFno factor TF: 1-622004-02-07-anonymous-NFno factor TF: 1-61