Factor Info

ID 175520
Size 615 digits / 2043 bits
Status composite
Value 541359304377884328333944078656225560681014357230499746482399322612720017132984851828664733270422123634786847013538073955160422362633206153074347285107965760984100354146238988574982889136163277835230673188930863861154185640223844420669778950508255967524806380220112340749040629472858657060576505295941819157862044133723464879098352766503490925252202350712780889359178175433472050955556984916981891850784583419349618230016447216334057245087827865355005587704723278404200788452766446414555717798493476110741434369102069713724545906569736997506654598978861885833280826259932493104452540682366776782991368955254362452001

Factorizations

Primary (ID: 138978) 310121843214358509551926701165142813776831006177566563338167725192573278203962174428560251 (proven prime)
(ID: 175521) 1745634228040147359076638654250195805561003605876721051893126596662035254951364094267539517060968764255901214907210512095677788841730492053975286254770406633057976501399626609994187497686579795565872382398160140313261139503390444190932121879366287098174476488757293612851372817670538357948239726028642633641116882486282317592084777247742199174038212986015445312816690840604976215987771535417983798012513991121734559940330324825429390427017414521971161051730586135943140012581123876963935243457742617738318908530876568034079251 (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.