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 statusMnStatusDetails138211427Composite: 1 known prime factor FactoredFactorDigitsBitsDate258989896296778327531827713512994.42024-09-19 14:08:58 P-1 factorsDateFactorB1B22024-09-192589898962967783275318277135111530001153000 HistoryDateUserTypeResult2024-09-19Luke DurantF-PM1Factor: 25898989629677832753182771351 / (P-1, B1=1153000)2024-08-19Ryan PropperNFno factor from 2^76 to 2^772024-07-14SRBaseNFno factor from 2^75 to 2^762023-01-13SRBaseNFno factor from 2^74 to 2^752021-08-02SRBaseNFno factor from 2^73 to 2^742020-10-23SRBaseNFno factor from 2^72 to 2^732016-09-12DerekNFno factor from 2^71 to 2^722016-09-11DerekNFno factor from 2^70 to 2^712016-09-11nate.andersNFno factor from 2^69 to 2^702016-03-10dbaughNFno factor from 2^68 to 2^692016-02-16Ready4PrimeTimeNFno factor from 2^67 to 2^682015-02-06nikoszNFno factor from 2^66 to 2^672012-11-16HardyP GermanyNFno factor from 2^65 to 2^662010-12-02Torchwood InstituteNFno factor from 2^64 to 2^652010-06-12CorranNFno factor from 2^63 to 2^64