Factor Info

ID 199292
Size 1038 digits / 3448 bits
Status composite
Value 646907531045127735018681265809822862040152000838717153219274660630165525767317109519516663422419020061809238803191409481827763855767059427345354692492012816401407757500573347146811914025419589891022024202376332733299696847917721829580312791457236973962574834429245929446387088225718142568757974223573316417580650460165001890034475485075365135150451223047109084862165021328741269740700418339090442943696965089483280567048834976915754209317923670493874585471843768784809527530399037021612023258537133447361131421267928754304010201648346014258309883978638422375320327960901869731517962479615201290961911406360961770804145730305109961760607771012883173286694219180961751482754772772486066148341688152289667828458221192743457453323659671481082308445786597258158316346290875910202852600729277702567033945361976835953876574206377517122406307063900411758903886758615037876935742727219209130472865335355567505360187256436107899110601081565442878890996970288957377791418387398633636230358007872248878621124899531739445410130526547911031293497615031

Factorizations

Primary (ID: 7817) 12644443230579801886843521019 (proven prime)
(ID: 199293) 51161408948447962115355089208843945933485622736314045637664711755661246396805002322040696537843715791464599545754815236400232402867028409044443935188536604300821737664467875405260312911931514424548036278261328260632271409679939553264297744672685806293734290533012450008899851131161951298238165287275258532179790859344679397809129802963967893863909633705708925373589337225625281927045184647834735840274771957657439734354736186773936012802989265260330203948076524700763362795042698011130811462262695072732946863308409222474087210701748993083550479843799961673569052188315112742093470625728376309106053866411529229790258743900758337174960994969787148862876933292185315157773925640874989694695873367360069747789228669260527888568399402115459696207978938489675338671508614373005031148900432881436612386739418395963717172963499731718667438446552499254270989240893557600481278348749718674523532176334299800232679479151015243723117932262342547343226335358556257946333075644245834232427953639189652256737560230541272949 (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.