Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails53781569Composite: proven not-prime with Lucas-Lehmer testNo factors below 275TF target 273P-1B1 = 620000B2 = 14570000LLStatusDateUserResidueShiftSoftwareVerified2012-12-01-anonymous-7055FB5F8BD765F128656203Windows 64-bit,Prime95,v27.7,build 2Verified2020-10-08Dubslow7055FB5F8BD765F1794925Linux 64-bit,Prime95,v29.8,build 6HistoryDateUserTypeResult2020-10-08DubslowC-LL7055FB5F8BD765F12020-09-30ViliamFNFno factor TF: 74-752019-08-26chuenkitNFno factor TF: 73-742016-02-03AirSquirrelsNFno factor TF: 72-732012-12-01-anonymous-C-LL7055FB5F8BD765F12012-06-20Son JohanNFno factor TF: 71-722011-09-08megavinkNFno factor TF: 70-712011-09-08megavinkNFno factor TF: 69-702011-04-19Ujjwal ChaliseNFno factor TF: 68-692011-04-13ixfd64NF-PM1B1=620000, B2=145700002009-05-13RoaldSNFno factor TF: 67-682008-12-28tmorrowNFno factor TF: 66-672008-12-26tmorrowNFno factor TF: 65-662008-12-23tmorrowNFno factor TF: 64-652008-07-14-anonymous-NFno factor TF: 1-642007-09-131997rj7NFno factor TF: 1-632004-06-041997rj7NFno factor TF: 1-602002-07-27-anonymous-NFno factor TF: 1-582001-08-24-anonymous-NFno factor TF: 1-572000-05-24-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