Factor Info

ID 128978
Size 715 digits / 2373 bits
Status composite
Value 1715043332160761073678379447340709575981248650837177363914208349399851873880400916270069175932213502801586509791065150398576914316637194004511400453792164309458201834913820991083876498209623586306089312066713253936938364400308139495248282253156937826597935786849996072962648697225900715331795052041520778353873617550400954322790072312528720039437268994173728613324782769270321969416303749263543216157607643042974403981133637017097282325954994873408331073827868271594434772778715740800493802782503521259194465953217416915276081123190980858140378152054934423893064344140473727821571750937460134997294347856984210739666548623504243361990777305224650875645008945277927662085397691035075310105455876665633279065942129067

Factorizations

Primary (ID: 9151) 2217500712416900346593531651772013170611413 (proven prime)
(ID: 128979) 773412753627257923798726570472393773083821643538332679941460531315207137841812202152019387313817359861846611867125786043495512616391261390364437240721412460472601752095099520516711039444807896088968921421829919663152496638141260406225524659599972379994606274320194742147022248015009333537987655083574051479114282937336924548016314328316951950697065101150216723758663278483583736315760366374393440304173611622460571695757461315470606944619803313708677748804044822520429458140459681546813873916732697096970148197316121028815650822708344159241785037232082701608152776057441677394929657358880455345505429793223559666407931413326326925973125759573183040212138405838355006968959 (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.