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 statusMnStatusDetails158365343No known factors, not tested for primality TFNo factors below 278TF target 278 HistoryDateUserTypeResult2025-07-12GregNFno factor from 2^77 to 2^782025-06-29Kyle AskineNFno factor from 2^76 to 2^772024-08-22SRBaseNFno factor from 2^75 to 2^762023-02-26SRBaseNFno factor from 2^74 to 2^752021-11-20SRBaseNFno factor from 2^73 to 2^742018-06-04Yves de WandelaarNFno factor from 2^72 to 2^732018-06-02Yves de WandelaarNFno factor from 2^71 to 2^722018-03-25proxy2222NFno factor from 2^70 to 2^712017-12-01La GüiraNFno factor from 2^69 to 2^702017-03-12rubikvn2100NFno factor from 2^68 to 2^692016-05-13RDbrvnNFno factor from 2^67 to 2^682015-04-24guruNFno factor from 2^66 to 2^672013-02-14CorbyguyNFno factor from 2^65 to 2^662011-01-29ZeBigGregNFno factor from 2^64 to 2^652010-06-28Torchwood InstituteNFno factor from 2^63 to 2^64