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 statusMnStatusDetails175939583No known factors, not tested for primality TFNo factors below 276TF target 278 HistoryDateUserTypeResult2024-09-29SRBaseNFno factor from 2^75 to 2^762023-03-27SRBaseNFno factor from 2^74 to 2^752021-12-31SRBaseNFno factor from 2^73 to 2^742018-10-17arnaudNFno factor from 2^72 to 2^732018-10-16nranksNFno factor from 2^71 to 2^722018-10-16nranksNFno factor from 2^70 to 2^712018-04-06ZenghuiNFno factor from 2^69 to 2^702017-05-15Andrew BNFno factor from 2^68 to 2^692016-06-17BrionHNFno factor from 2^67 to 2^682015-07-04vwflat4NFno factor from 2^66 to 2^672013-04-17Charles A. MorrisNFno factor from 2^65 to 2^662011-03-08sasaki3NFno factor from 2^64 to 2^652010-07-16carlos56NFno factor from 2^63 to 2^64