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 statusMnStatusDetails177812053No known factors, not tested for primality TFNo factors below 276TF target 278 HistoryDateUserTypeResult2024-10-01SRBaseNFno factor from 2^75 to 2^762023-04-12SRBaseNFno factor from 2^74 to 2^752022-01-01SRBaseNFno factor from 2^73 to 2^742019-09-22bayanneNFno factor from 2^72 to 2^732019-03-24Ilya AlexandrovNFno factor from 2^71 to 2^722017-05-22Andrew BNFno factor from 2^70 to 2^712016-11-02La GüiraNFno factor from 2^69 to 2^702016-06-24Andrew BNFno factor from 2^68 to 2^692016-06-22Andrew BNFno factor from 2^67 to 2^682015-07-21RichardNFno factor from 2^66 to 2^672013-04-23MucolNFno factor from 2^65 to 2^662011-03-13marvikNFno factor from 2^64 to 2^652010-07-19Architects CubedNFno factor from 2^63 to 2^64