Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails36745859Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 440000B2 = 9240000LLStatusDateUserResidueShiftSoftwareVerified2006-12-18David WallerD878DEC1A910311220468158Windows,Prime95,v24 final,(aka Wc1)Verified2016-08-05DubslowD878DEC1A910311234771159Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2024-05-29LaurVNFno factor TF: 68-692022-08-15Sid & AndyNFno factor TF: 72-732019-08-09LaurVNFno factor TF: 71-722016-08-05DubslowC-LLD878DEC1A91031122014-10-04ixfd64NFno factor TF: 69-712013-05-28Carsten KossendeyNFno factor TF: 68-692012-05-21Serge BatalovNFno factor TF: 67-682006-12-18SyntonyC-LLD878DEC1A91031122006-11-28SyntonyNF-PM1B1=440000, B2=92400002006-03-28-anonymous-NFno factor TF: 1-672001-01-14JossNFno factor TF: 1-52