Factor Info

ID 158627
Size 1302 digits / 4324 bits
Status composite
Value 397519692196352726871627217706548239063770868739914092532277735421817578093117408746023925605933068119588115920223735182656911942462859585377223302872823237185231536855697272103126621535268926931691021317706798571310856196674683789114035325457454407529380590708375133054999934549735486335534630973134081759425098859584052476501913597614772533858266777550290457086089840556124360970328912255162605567753114424615765045583182270967298039586997280260091030884431427932567211467441640205614125626503940235341829341466931412547847562848862511184283068802105373150410143100955582970328861235596507055843474996658382168324903532579738493296782502124227787218122048221589051004377933412867463322840130008339762880006762739284841752017500385361960402017523934535947343965142792100824457681705634890265163371848612270350739940342871550432087749418170865347603604754335866990408189771007042801741153852210610482901287110695503133961025880902559412993507657000403217202275544570368518110791811288874641235184921302556950731540448242509968537906367158535628431441969775975778688901852726514700059287325092269962959469748874063491872253590621806911228203467027386838980362217563584730238337756691939058464593304369299159218850764968348940766883508591934077333468977282677954832740470498290392586147895796189785037193

Factorizations

Primary (ID: 3407) 331343920853356078376431 (proven prime)
(ID: 158628) 1199719286150067222268736975376486875621760395551874013113706732820076330059647549662282722927688162764334773555623992571435153102204885350219261818819462068759015859019559633100764875717922880676769003715365557191338362683735711762229054162520569248361665833938572492075756779415028410382317116905983688415472808878900798789471392963754428788047432248380465265588489388935205974786633466287251215167648085108793366349260718365246591902875515676302568686143450681253867460832080148333661929014273745528265876248231278283824243485862323754464902274648833110279571342935473817374016089316123662146027106781889587042832336478832141190409762830326386025050589061624600807495999893271130151252037996304290221715380350349199590712925309005444384404386344007326332589373556293073261400305795714309960689064646473013760823278402570007864843377460618972706562237001954377326766685695100761964846536324508750442575853032604477953613850878123375436025723649581653520984571486968623051610170802274995589341168543077234959322300999009231909597898315543494469053763323712747682663891674657419956352082846601676307393287098620339844465046209694241323766973910463366405130038128706936386474277022217510434483424845472004154221617053109683357791773833199486510313555056095431463967201327757520903 (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.