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 statusMnStatusDetails277733069Composite: 1 known prime factor FactoredFactorDigitsBitsDate15172393282248271369212270.42019-10-11 20:57:03 HistoryDateUserTypeResult2019-10-11ConductorFFactor: 1517239328224827136921 / TF: 70-712019-09-17proxy2222NFno factor from 2^69 to 2^702018-07-10Chabot PrimeNFno factor from 2^68 to 2^692016-11-06SummyNFno factor from 2^67 to 2^682016-01-14sasaki3NFno factor from 2^66 to 2^672013-12-08HardyP GermanyNFno factor from 2^65 to 2^662011-09-09OS1NFno factor from 2^64 to 2^652010-04-04lindedNFno factor from 2^63 to 2^642010-04-04lindedNFno factor from 2^62 to 2^63