Factor Info

ID 126720
Size 771 digits / 2561 bits
Status composite
Value 700891588544009087517162430657804034241153476049864759250229865271925513634637479529019997065190757069666839596901352010048498764970826381421729801457450912155772745572656569596655973151004245973220957862340145273088085506647416445705556836305615436990491559438907058481805675003891080385455430244384379093221428378778308857970880097871201822943967528742212667753689941680702756567426289868418852700574683984369147860071005312369965272256035629685318248470659102636876355652769165336831327291090192191166452473925202995241179016408772537955741013645022107278018108674432954708562578017336558765968359290629538200710803237466873007212982358706226158711884215612411058122612625032370209457489873734022548140959495631369753756390413955302974197284019337670236914598172734019

Factorizations

Primary (ID: 1247) 16372649304949588683920725489 (proven prime)
(ID: 126722) 42808685111952144734054644382531296477285799477226081462228070268238166980842452837777937821673369632330189083569521589261530808554347373297515897414264102386064136516832255811905836882196640198972952390030489137694957257691550655803356464228299449344364214059174782214892015689259129808122442497072528872349019703366966034848224488060576825847839135021498136251287949934878894546585286100368070302873433577652709145438633085845367479987351814547639383728209229480425322503028995627576042706930713559389480917375584104538702817812296075021882089120145713236601506325680541880732616745251243669756854280150285949037203294686419613834008997040669538181135821437130200964009760874513657340245157132379643846717025564549073435797727596339443238771 (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.