Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails53912893Composite: proven not-prime with Lucas-Lehmer testNo factors below 276TF target 273P-1B1 = 640000B2 = 18080000LLStatusDateUserResidueShiftSoftwareVerified2014-02-07curtiscBC866A5E2355A7A643591961Windows Service,Prime95,v27.9,build 1Verified2020-10-26DubslowBC866A5E2355A7A62995245Linux 64-bit,Prime95,v29.8,build 6HistoryDateUserTypeResult2020-10-26DubslowC-LLBC866A5E2355A7A62020-06-28-anonymous-NFno factor TF: 75-762020-06-25-anonymous-NFno factor TF: 74-752019-07-06Jon PaceNFno factor TF: 73-742016-02-13AirSquirrelsNFno factor TF: 72-732014-02-07curtiscC-LLBC866A5E2355A7A62012-02-01NumberwangNFno factor TF: 71-722011-09-08megavinkNFno factor TF: 70-712011-05-19FobdfobdNFno factor TF: 69-702011-04-16blin00NFno factor TF: 68-692011-04-07Michael-AbstractNF-PM1B1=640000, B2=18080000, E=62010-11-10-anonymous-NFno factor TF: 67-682009-01-09James HintzNFno factor TF: 66-672009-01-08MissingNoNFno factor TF: 65-662009-01-02ANONYMOUSNFno factor TF: 64-652008-09-08-anonymous-NFno factor TF: 1-642007-10-291997rj7NFno factor TF: 1-632004-06-121997rj7NFno factor TF: 1-602002-08-10-anonymous-NFno factor TF: 1-582001-08-24-anonymous-NFno factor TF: 1-572000-05-31-anonymous-NFno factor TF: 1-562000-03-01-anonymous-NFno factor TF: 1-542000-01-12-anonymous-NFno factor TF: 1-531999-12-08-anonymous-NFno factor TF: 1-53