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 statusMnStatusDetails178711271No known factors, not tested for primality TFNo factors below 276TF target 278 HistoryDateUserTypeResult2024-10-04SRBaseNFno factor from 2^75 to 2^762023-04-07SRBaseNFno factor from 2^74 to 2^752022-01-04SRBaseNFno factor from 2^73 to 2^742018-12-07ZenghuiNFno factor from 2^72 to 2^732018-04-17ZenghuiNFno factor from 2^71 to 2^722018-04-06The_MatrixNFno factor from 2^70 to 2^712018-03-27The_MatrixNFno factor from 2^69 to 2^702017-05-21rubikvn2100NFno factor from 2^68 to 2^692016-06-26Jan KuipersNFno factor from 2^67 to 2^682015-07-16el groccoNFno factor from 2^66 to 2^672013-04-25GrunwalderGIMPNFno factor from 2^65 to 2^662011-03-15Sergej LevinNFno factor from 2^64 to 2^652010-07-19Mr-PlonkNFno factor from 2^63 to 2^64