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 statusMnStatusDetails288024083Composite: 1 known prime factor FactoredFactorDigitsBitsDate24995157190429949558572271.12019-11-17 18:18:41 HistoryDateUserTypeResult2025-04-26James HeinrichFFactor: 2499515719042994955857 / TF: 71-722019-11-17Smok_bmv FFactor: 2499515719042994955857 / TF: 71-72*2019-11-17Smok_bmv NFno factor from 2^70 to 2^712019-08-27Lukas HainNFno factor from 2^69 to 2^702018-07-20Chabot PrimeNFno factor from 2^68 to 2^692016-11-25ANONYMOUSNFno factor from 2^67 to 2^682016-01-30SummyNFno factor from 2^66 to 2^672013-12-19MucolNFno factor from 2^65 to 2^662011-09-25sasaki3NFno factor from 2^64 to 2^652010-04-13sasaki3NFno factor from 2^63 to 2^642010-04-13sasaki3NFno factor from 2^62 to 2^63