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 statusMnStatusDetails489440227Composite: 1 known prime factor FactoredFactorDigitsBitsDate501810343391698318209372375.42025-09-14 07:45:38 HistoryDateUserTypeResult2025-09-14SRBaseFFactor: 50181034339169831820937 / TF: 75-762023-12-29SRBaseNFno factor from 2^74 to 2^752022-07-01SRBaseNFno factor from 2^73 to 2^742021-03-07SRBaseNFno factor from 2^72 to 2^732020-08-22SRBaseNFno factor from 2^71 to 2^722020-05-31SRBaseNFno factor from 2^70 to 2^712018-12-14ATHNFno factor from 2^69 to 2^702018-05-05sasakiNFno factor from 2^68 to 2^692016-07-01sasakiNFno factor from 2^67 to 2^682016-04-05sasakiNFno factor from 2^66 to 2^672014-10-23sasaki3NFno factor from 2^65 to 2^662011-12-17LingUaanNFno factor from 2^64 to 2^652010-04-02Architects CubedNFno factor from 2^63 to 2^64