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 statusMnStatusDetails333081163No known factors, not tested for primality TFNo factors below 281TF target 281 HistoryDateUserTypeResult2024-06-08PoaoNFno factor from 2^80 to 2^812024-05-30Alvin BunkNFno factor from 2^79 to 2^802024-05-28Alvin BunkNFno factor from 2^78 to 2^792024-05-26PoaoNFno factor from 2^77 to 2^782024-05-17Jarod McClintockNFno factor from 2^69 to 2^722022-11-14JacobZNFno factor from 2^76 to 2^772019-09-02David HruskaNFno factor from 2^75 to 2^762016-03-30vats09NFno factor from 2^74 to 2^752016-03-30vats09NFno factor from 2^73 to 2^742014-12-12Carsten KossendeyNFno factor from 2^72 to 2^732014-08-16Carsten KossendeyNFno factor from 2^71 to 2^722014-08-16Carsten KossendeyNFno factor from 2^70 to 2^712014-08-16Carsten KossendeyNFno factor from 2^69 to 2^702012-04-16LaurVNFno factor from 2^66 to 2^692010-11-03Architects CubedNFno factor from 2^65 to 2^66