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 statusMnStatusDetails161490181No known factors, not tested for primality TFNo factors below 278TF target 278 P-1B1 = 1396000B2 = 1369891380 HistoryDateUserTypeResult2025-09-13GregNFno factor from 2^76 to 2^782024-10-07Luke DurantNF-PM1B1=1396000, B2=13698913802024-08-29SRBaseNFno factor from 2^75 to 2^762023-03-01SRBaseNFno factor from 2^74 to 2^752021-11-25SRBaseNFno factor from 2^73 to 2^742019-01-05La GüiraNFno factor from 2^72 to 2^732018-12-31La GüiraNFno factor from 2^71 to 2^722018-06-26data catNFno factor from 2^70 to 2^712018-06-25proxy2222NFno factor from 2^69 to 2^702017-03-26LasseDemigoNFno factor from 2^68 to 2^692016-03-23XZTNFno factor from 2^67 to 2^682015-05-13RichardNFno factor from 2^66 to 2^672013-02-27MucolNFno factor from 2^65 to 2^662011-02-03ZeBigGregNFno factor from 2^64 to 2^652010-09-02Architects CubedNFno factor from 2^63 to 2^64