Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails42454169Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 405000B2 = 3240000LLStatusDateUserResidueShiftSoftwareVerified2008-05-11Ahmer Ali5E28ADCEE818D89D14976838Windows,Prime95,v23,NT service,(aka WZ5)Verified2017-11-05Dubslow5E28ADCEE818D89D34428640Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2022-04-10TheJudgerNFno factor TF: 73-742022-04-10TheJudgerNFno factor TF: 72-732017-11-05DubslowC-LL5E28ADCEE818D89D2015-08-27-anonymous-NFno factor TF: 71-722015-03-08NickOfTimeNFno factor TF: 70-712015-02-09Andrew BNFno factor TF: 69-702008-05-10ahmeraliC-LL5E28ADCEE818D89D2008-03-22ahmeraliNF-PM1B1=405000, B2=32400002008-03-22ahmeraliNFno factor TF: 1-692007-06-15Team Prime RibNFno factor TF: 1-68