Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails34959469Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 271P-1B1 = 340000B2 = 2635000LLStatusDateUserResidueShiftSoftwareVerified2006-02-01Anders Neld8DFD280CB7D3FA5913334360Windows,Prime95,v23,(aka WZ1)Verified2015-10-09Dubslow8DFD280CB7D3FA59313442Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2020-12-11-anonymous-NFno factor TF: 74-752020-02-29-anonymous-NFno factor TF: 73-742019-11-08-anonymous-NFno factor TF: 72-732019-11-08-anonymous-NFno factor TF: 71-722015-10-09DubslowC-LL8DFD280CB7D3FA592014-05-07Gordon SpenceNFno factor TF: 70-712014-05-01Stef42NFno factor TF: 69-702013-08-05krackerNFno factor TF: 68-692006-02-01-anonymous-C-LL8DFD280CB7D3FA592005-12-12-anonymous-NF-PM1B1=340000, B2=26350002005-11-27-anonymous-NFno factor TF: 1-68