Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails46939621Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 272P-1B1 = 800000B2 = 800000LLStatusDateUserResidueShiftSoftwareVerified2010-01-29Robert Walker61C7236489FB6CFD6721811Windows 64-bit,Prime95,v25.9,build 4Verified2019-03-12-anonymous-61C7236489FB6CFD25906546Windows,Prime95,v25.11,build 2HistoryDateUserTypeResult2019-03-12-anonymous-C-LL61C7236489FB6CFD2017-10-30Matthias WurtingerNFno factor TF: 72-732015-11-20-anonymous-NFno factor TF: 71-722015-07-02Mark RoseNFno factor TF: 70-712015-05-22LaurVNFno factor TF: 69-702014-09-07VictordeHollanderNFno factor TF: 68-692010-01-29Robert WalkerC-LL61C7236489FB6CFD2008-12-13-anonymous-NF-PM1B1=8000002008-03-03PrimeCruncherNFno factor TF: 1-68