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 statusMnStatusDetails171914741No known factors, not tested for primality TFNo factors below 276TF target 278 HistoryDateUserTypeResult2024-09-24SRBaseNFno factor from 2^75 to 2^762023-03-22SRBaseNFno factor from 2^74 to 2^752021-12-21SRBaseNFno factor from 2^73 to 2^742019-03-07lobsterfordinnerNFno factor from 2^72 to 2^732018-09-07ZenghuiNFno factor from 2^71 to 2^722016-10-31Smok_bmv NFno factor from 2^70 to 2^712016-10-26La GüiraNFno factor from 2^69 to 2^702016-10-10Adam BuranNFno factor from 2^68 to 2^692016-04-28XZTNFno factor from 2^67 to 2^682015-06-22Grant McCrackenNFno factor from 2^66 to 2^672013-04-05RichardNFno factor from 2^65 to 2^662011-02-26sasaki3NFno factor from 2^64 to 2^652010-07-12Charles A. MorrisNFno factor from 2^63 to 2^64