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 statusMnStatusDetails6909997TFNo factors below 272TF target 267 P-1B1 = 4000000B2 = 414323910 ECMDigitsB1Curves25500006 / 280Estimated T-Level: 20.1 ⓘ LLStatusDateUserResidueShiftBad1999-04-13Olivier Nerrand79E806FF95CCDE250Verified2001-09-30Peter Doherty5C1C83D096DBCB766446543Verified2002-03-16Thomas Honold5C1C83D096DBCB763088520 HistoryDateUserTypeResult2021-12-01Seth_TrNF-PM1B1=4000000, B2=4143239102021-11-22Seth_TrNF-PM1B1=4000000, B2=110000000, E=122021-09-25SRBaseNFno factor from 2^71 to 2^722021-08-10SRBaseNFno factor from 2^70 to 2^712020-12-23takahashiNFno factor from 2^69 to 2^702020-01-09takahashiNF-PM1B1=600000, B2=12000000, E=122019-12-16mnd9NFno factor from 2^68 to 2^692018-02-25-Anonymous-NFno factor from 2^67 to 2^682016-04-01Gordon SpenceNFno factor from 2^66 to 2^672015-06-26VictordeHollanderNFno factor from 2^65 to 2^662014-02-18lycornNFno factor from 2^64 to 2^652014-02-09NesowaNFno factor from 2^63 to 2^642011-11-21James HeinrichNF-PM1B1=130000, B2=2665000, E=6