Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails35872051Composite: proven not-prime with Lucas-Lehmer testNo factors below 273TF target 271P-1B1 = 500000B2 = 9000000LLStatusDateUserResidueShiftSoftwareVerified2007-04-23Shawn Kaeppeli856B8AE3259DA9963768899Windows,Prime95,v23,(aka WZ1)Verified2016-04-24Dubslow856B8AE3259DA99619717188Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2022-08-26Naegi MakotoNFno factor TF: 72-732022-07-18Jon PaceNFno factor TF: 71-722016-04-24DubslowC-LL856B8AE3259DA9962015-07-17HBendtzNF-PM1B1=500000, B2=9000000, E=122014-10-18NRNFno factor TF: 70-712014-09-24LaurVNFno factor TF: 69-702007-04-23SRKC-LL856B8AE3259DA9962007-03-20SRKNF-PM1B1=4900002007-03-20SRKNFno factor TF: 1-692006-02-15Douglas FeatherNFno factor TF: 1-672004-09-02-anonymous-NFno factor TF: 1-60