Factor Info

ID 138826
Size 1319 digits / 4380 bits
Status composite
Value 19668631787996117313730460585778569488728691179909945125143900420866126811319978669179902983626543876483902260486281481316358323025953382349839972184538968445803808832251153585517535163406206768385729670055102778335560058995380062581290269193544943511232757723144469587900929632082384409056774849201045651140767645409678121207730307039002335984720954579624094981951009083804022494917156328419700372800682576785456102605910601937236134001700568833206661554806824860698911877361777522277946888411817908674983944208004100010604846483576503335172642662621300002654979726423827940809506793696688313233926404068208139911601425388439576193099423823192150572294401211346771484777328975859215292003968621905045298294990151724848025382070536447401990833864572706266065435135112322754736470675607718472969759560396014263306712551373974237297713886081164403618978018994445921519468653028419353864185254361106548252681338665594843935327602188176091245859328451719668555461409136213116353840164073358301997286611623966102600719782070430097472414574269744702977687261076787678883865526544617795302187603020743875390390578067550549230971794332601717933091446157346025462489162329109652738285628263224421545617920290676012620991300980826825768674365538880246039744533208999916242035644118800993251296492042821916499483155098528736211537

Factorizations

Primary (ID: 138827) 4397231677057197771839 (proven prime)
(ID: 138828) 4472957813575824036178951211041863363704046640741824163718207281677670814553369926700846435722277888985853185152225964857495926704855923875239506957949049275291160908376236429897526913526646120773743048424826442300220996021337886789626267392466409742194090573326633747897857722029733594406477724256199242250006561382764630919287809754546591523157163875945447492426119097504509006613765651717260123580507808139917862519338344393686684899642706053003040676805033554590619635577496570761775650820360663606866675857281173927836167584849783836095620179367645483067028511444229074689305250065258124384986533883053030218919510311996746270407672728476753013724822508243789186962147190352494834781627022369142228500398162055936232669903089269411641266949673265375360192149951705124064659141009017367528397357346367671022279971361044130768510660303027069989227279471397616651061199845159663639486746513704149542477258933226932050052809531046961508187456769424193128026128359547339390164283126444917569052893376045387903284210682044942566498244816242434543321848680584965144171034434046658200182976115572404745614244142548585769818618117757071375154133265924146433025669547397974136144964495227431871197980965080115261380434998114966458582986163703804900499835336086831470223004956596634853938379745846435183 (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.