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 statusMnStatusDetails214640353Composite: 1 known prime factor FactoredFactorDigitsBitsDate649315423633411863942892375.82024-11-27 15:55:12 HistoryDateUserTypeResult2024-11-27SRBaseFFactor: 64931542363341186394289 / TF: 75-76*2023-05-19SRBaseNFno factor from 2^74 to 2^752021-07-25adamgmNFno factor from 2^73 to 2^742020-11-23SRBaseNFno factor from 2^72 to 2^732020-06-13SRBaseNFno factor from 2^71 to 2^722018-06-26ZenghuiNFno factor from 2^70 to 2^712018-05-31La GüiraNFno factor from 2^69 to 2^702017-12-16tmorrowNFno factor from 2^68 to 2^692016-08-31XZTNFno factor from 2^67 to 2^682015-10-17ANONYMOUSNFno factor from 2^66 to 2^672012-06-17america64NFno factor from 2^65 to 2^662011-05-25tscNFno factor from 2^64 to 2^65