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 statusMnStatusDetails5791913Composite, with 2 known prime factors. Cofactor is composite. FactoredFactorDigitsBitsDate1373378410571237.0old426149964772184331755.22015-01-14 12:17:33 PRP CofactorStatusDateUserResidueNumber ofknown factorsShiftTypeBaseVerified2017-09-20kkmrkkblmbrbk0AB81F6984FBF6A72013Verified2018-08-10ATH0AB81F6984FBF6A72387757013 HistoryDateUserTypeResult2025-07-28Sid & AndyNF-PM1B1=4400000, B2=77243974502023-05-12This -Anonymous-NF-PM1B1=50000, B2=1000000, E=62018-08-10ATHC-PRPM5791913/137337841057/42614996477218433 : 0AB81F6984FBF6A7PRP: VerifiedPRP without proof (not generated)2017-09-20kkmrkkblmbrbkC-PRPM5791913/137337841057/42614996477218433 : 0AB81F6984FBF6A7PRP: VerifiedPRP without proof (not generated)2015-01-14TJAOIFFactor: 42614996477218433 / TF: 55-56