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 statusMnStatusDetails207677731Composite: 1 known prime factor FactoredFactorDigitsBitsDate21617010548351778121912270.92015-10-08 07:55:26 HistoryDateUserTypeResult2024-03-17James HeinrichNFno factor from 2^1 to 2^692015-10-08demfloroFFactor: 2161701054835177812191 / TF: 70-712015-10-08demfloroNFno factor from 2^69 to 2^702015-10-08demfloroNFno factor from 2^68 to 2^692015-10-08demfloroNFno factor from 2^66 to 2^682013-08-04tscNFno factor from 2^65 to 2^662011-05-11Charles A. MorrisNFno factor from 2^64 to 2^65