Exponent Range: to+ above minimum exponent Output results in HTML format Output results in text-only format Output results in plain-text format Show full details (current assignment, history, LL residues) Include full ECM history (every "NF-ECM" result, slow) Include ancient history logs (1997-2007, slow) Include expired assignments Show software version in historyGet statusMnStatusDetails910153031Composite: 1 known prime factor FactoredFactorDigitsBitsDate8219813924167749440892169.52017-11-28 06:14:14 HistoryDateUserTypeResult2022-07-31J.R. AllenNFno factor from 2^60 to 2^632017-11-28ConductorFFactor: 821981392416774944089 / TF: 69-702017-03-04sasakiNFno factor from 2^68 to 2^692016-07-09ConductorNFno factor from 2^67 to 2^682015-11-16NoPolarBearsHereNFno factor from 2^66 to 2^672015-11-16NoPolarBearsHereNFno factor from 2^2 to 2^602011-10-02laleraNFno factor from 2^64 to 2^662010-07-15lindedNFno factor from 2^63 to 2^64