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 statusMnStatusDetails277055281Composite: 1 known prime factor FactoredFactorDigitsBitsDate21041321075522174571372270.82019-06-13 19:54:40 HistoryDateUserTypeResult2019-06-13ConductorFFactor: 2104132107552217457137 / TF: 70-712019-06-13ConductorNFno factor from 2^69 to 2^702018-07-08Chabot PrimeNFno factor from 2^68 to 2^692016-11-07rubikvn2100NFno factor from 2^67 to 2^682016-01-15yangyiNFno factor from 2^66 to 2^672013-12-08RichardNFno factor from 2^65 to 2^662011-09-08tscNFno factor from 2^64 to 2^652010-04-03lindedNFno factor from 2^63 to 2^642010-04-03lindedNFno factor from 2^62 to 2^63