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 statusMnStatusDetails174355297No known factors, not tested for primality TFNo factors below 276TF target 278 HistoryDateUserTypeResult2024-09-24SRBaseNFno factor from 2^75 to 2^762023-03-24SRBaseNFno factor from 2^74 to 2^752021-12-25SRBaseNFno factor from 2^73 to 2^742018-12-07ZenghuiNFno factor from 2^72 to 2^732018-03-27RichardNFno factor from 2^71 to 2^722018-03-27RichardNFno factor from 2^70 to 2^712018-03-26La GüiraNFno factor from 2^69 to 2^702017-05-10Andrew BNFno factor from 2^68 to 2^692016-06-17TomNFno factor from 2^67 to 2^682015-06-28sasaki3NFno factor from 2^66 to 2^672013-04-12pussijussiNFno factor from 2^65 to 2^662011-03-04Torchwood InstituteNFno factor from 2^64 to 2^652010-07-14Torchwood InstituteNFno factor from 2^63 to 2^64