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 statusMnStatusDetails289647221Composite: 1 known prime factor FactoredFactorDigitsBitsDate3102146836550618253912168.12018-07-23 01:09:08 HistoryDateUserTypeResult2025-03-18James HeinrichFFactor: 310214683655061825391 / TF: 68-702018-07-23NickFFactor: 310214683655061825391 / TF: 68-692016-11-26NBCC NFno factor from 2^67 to 2^682016-01-17caddrNFno factor from 2^66 to 2^672013-12-21Grant McCrackenNFno factor from 2^65 to 2^662011-09-28-Anonymous-NFno factor from 2^64 to 2^652010-04-152knarfNFno factor from 2^63 to 2^642010-04-152knarfNFno factor from 2^62 to 2^63