Exponent Range: to+ above minimum exponent Include full ECM history (every "NF-ECM" result, slow) Include expired assignments Show software version in historyGet statusMnDetails44351599Composite: proven not-prime with Lucas-Lehmer testNo factors below 274TF target 272P-1B1 = 520000B2 = 9880000LLStatusDateUserResidueShiftSoftwareVerified2010-06-26namjoshi7D0343809C367D766972058Windows 64-bit,Prime95,v25.9,build 4Verified2017-10-03Dubslow7D0343809C367D7623269588Linux 64-bit,Prime95,v28.7,build 1HistoryDateUserTypeResult2022-04-10TheJudgerNFno factor TF: 73-742022-04-10TheJudgerNFno factor TF: 72-732017-10-03DubslowC-LL7D0343809C367D762015-10-02-anonymous-NFno factor TF: 71-722015-10-02-anonymous-NFno factor TF: 70-712015-07-04David CampeauNFno factor TF: 69-702014-03-11AxelssonNFno factor TF: 68-692010-06-26namjoshiC-LL7D0343809C367D762010-05-18namjoshiNF-PM1B1=520000, B2=98800002007-10-17englishqed.comNFno factor TF: 1-682005-03-20dave_0273NFno factor TF: 1-62