Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails42451699Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 515000B2 = 14291250LLStatusDateUserResidueShiftSoftwareVerified2008-07-25Kelly Kelley24A7F063EA489C2C25962374Windows,Prime95,v24 final,(aka Wc1)Verified2017-11-05Dubslow24A7F063EA489C2C38481060Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2022-04-10TheJudgerNFno factor TF: 73-742022-04-10TheJudgerNFno factor TF: 72-732017-11-05DubslowC-LL24A7F063EA489C2C2015-08-27-anonymous-NFno factor TF: 71-722015-04-27HBendtzNFno factor TF: 69-702015-04-10Mark RoseNFno factor TF: 70-712015-04-10Mark RoseNFno factor TF: 69-702014-01-02LaurVNFno factor TF: 68-692008-07-25KprimeC-LL24A7F063EA489C2C2008-06-13KprimeNF-PM1B1=515000, B2=142912502007-06-151997rj7NFno factor TF: 1-68