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 statusMnStatusDetails117060191Composite: 1 known prime factor FactoredFactorDigitsBitsDate5533383675767252054470196332788.82022-12-01 04:49:49 P-1 factorsDateFactorB1B22022-12-01553338367576725205447019633569000569000 HistoryDateUserTypeResult2024-05-10Naegi MakotoNFno factor from 2^71 to 2^722022-12-01ky0urakuF-PM1Factor: 553338367576725205447019633 / (P-1, B1=569000)2022-05-08TheJudgerNFno factor from 2^76 to 2^772021-06-30TheJudgerNFno factor from 2^75 to 2^762021-06-30TheJudgerNFno factor from 2^74 to 2^752020-03-03Niels_Mache_NextcloudNFno factor from 2^73 to 2^742020-03-03Niels_Mache_NextcloudNFno factor from 2^72 to 2^732015-03-08Josh FamestadNFno factor from 2^71 to 2^722014-03-07HBendtzNFno factor from 2^70 to 2^712014-03-07HBendtzNFno factor from 2^69 to 2^702014-03-07HBendtzNFno factor from 2^68 to 2^692014-03-07HBendtzNFno factor from 2^67 to 2^682014-03-07HBendtzNFno factor from 2^66 to 2^672012-07-03subgeniusNFno factor from 2^65 to 2^662010-10-12RichardNFno factor from 2^64 to 2^652010-05-11Mr-PlonkNFno factor from 2^63 to 2^64