Factor Info

ID 199888
Size 615 digits / 2043 bits
Status composite
Value 618933070666555151000761248101152856215450824258438835014523366253494463322997815087256157208363221898308100473732166243014199213900833180736748615611998036911358221646928235242512135302673298132192737794540279788049040808078138246325725458694689147606826124549401730665066378392342402699365877527656929995034965292792625104737674169403634881506516340433613167288874977748050681534208604824795940243009328635337814117055854959470893900895054094891110347908679561823875065573579142420431267120669749363325589414560231971417639937499754597259382280702379362819221018349800195147464402866802218004285191233400703769783

Factorizations

Primary (ID: 171660) 1556547237476735922878575558369042229741911887098212514686765280362183412643389024411611623468719196311342664769 (proven prime)
(ID: 173253) 397632051096557674307922665951321811906348531411830997644626666126180924395545960720209703777430461251471785535705266894148450630747924154317775697318145282643496548010383424076047191844426156437597987573147343437161464734365375236649689714753041024789028601722879126783878119671093267874526608254239234833050626044416289711335216192726719452693105101446483781753155049059784439272834300480005573802144048023232508692860715448581362010867670517476016638332594077448897292131417366223485401633794802895607 (composite)

Primary factorization keeps track of the smallest (known) prime factor. Secondary factorizations are old results kept when a new smaller prime factor is found, which occasionally happens with ECM.