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 statusMnStatusDetails174294017No 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 2^742018-03-19RichardNFno factor from 2^72 to 2^732018-03-16RichardNFno factor from 2^71 to 2^722018-03-16RichardNFno factor from 2^70 to 2^712018-03-16RichardNFno factor from 2^69 to 2^702017-05-09DreyvNFno factor from 2^68 to 2^692016-06-11america64NFno factor from 2^67 to 2^682016-06-11ANONYMOUSNFno factor from 2^67 to 2^682015-06-28nikoszNFno factor from 2^66 to 2^672013-04-15RichardNFno factor from 2^65 to 2^662011-03-04Sergej LevinNFno factor from 2^64 to 2^652010-07-15Grant McCrackenNFno factor from 2^63 to 2^64