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 statusMnStatusDetails256149533Composite: 1 known prime factor FactoredFactorDigitsBitsDate11786244170623706556792270.02019-04-22 17:40:19 HistoryDateUserTypeResult2025-03-20James HeinrichFFactor: 1178624417062370655679 / TF: 69-702019-04-22Alexander TsupkoFFactor: 1178624417062370655679 / TF: 69-702018-06-11mikeblasNFno factor from 2^68 to 2^692016-05-02XZTNFno factor from 2^67 to 2^682016-04-29proxy2222NFno factor from 2^67 to 2^682015-11-13el groccoNFno factor from 2^66 to 2^672013-11-15RichardNFno factor from 2^65 to 2^662011-08-04sasaki3NFno factor from 2^64 to 2^652010-03-08Architects CubedNFno factor from 2^63 to 2^642010-03-08Architects CubedNFno factor from 2^62 to 2^63