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 statusMnStatusDetails212975729Composite: 1 known prime factor FactoredFactorDigitsBitsDate702070833930524249716092375.92024-11-27 15:54:20 HistoryDateUserTypeResult2024-11-27SRBaseFFactor: 70207083393052424971609 / TF: 75-76*2023-05-13SRBaseNFno factor from 2^74 to 2^752020-12-30Niels_Mache_NextcloudNFno factor from 2^73 to 2^742020-10-25SRBaseNFno factor from 2^72 to 2^732020-06-13SRBaseNFno factor from 2^71 to 2^722020-01-15Khalid al-HazmiNFno factor from 2^70 to 2^712018-05-26ZenghuiNFno factor from 2^69 to 2^702017-11-28OS1NFno factor from 2^68 to 2^692012-08-07america64NFno factor from 2^67 to 2^682012-08-06america64NFno factor from 2^66 to 2^672012-02-10laleraNFno factor from 2^65 to 2^662011-05-22sasaki3NFno factor from 2^64 to 2^65