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 statusMnStatusDetails216039133Composite: 1 known prime factor FactoredFactorDigitsBitsDate603797564076461973010792375.72024-11-27 15:56:35 HistoryDateUserTypeResult2024-11-27SRBaseFFactor: 60379756407646197301079 / TF: 75-76*2023-05-20SRBaseNFno factor from 2^74 to 2^752021-05-11Damian SilvestreNFno factor from 2^73 to 2^742020-10-26SRBaseNFno factor from 2^72 to 2^732020-06-14SRBaseNFno factor from 2^71 to 2^722018-06-26ZenghuiNFno factor from 2^70 to 2^712018-05-31Yves de WandelaarNFno factor from 2^69 to 2^702017-12-30tmorrowNFno factor from 2^68 to 2^692012-08-15america64NFno factor from 2^67 to 2^682012-08-15america64NFno factor from 2^66 to 2^672012-05-12america64NFno factor from 2^65 to 2^662011-05-28tscNFno factor from 2^64 to 2^65