Factor Info

ID 157063
Size 1202 digits / 3991 bits
Status composite
Value 12877926969953403949590836648010174601929086394497170110210198560876616414863082702563993321473416171401931702788502096407891642061324667360412352112274230883085663764479004840590702067131898833854767315085357229067284783148121422009983772862707205813536094601577714827130357256037158717349927176741426801745471347318550560410220498688347739042653346537063781936535246334205425156053171922842976413499337868607410118801100465106363983606456396346198654719264073325684658654317426780160515590299303056561622080391946583065149275529927274265478211617816231922019815948327710817439975008441672022556267876143872822897465344199539295700645527288385890982729472368102125310995493847815208568853203046171912112715008292996491109249581219334289561611695496814595085072645674304440160792819613421868048006202510923184632586868845830376980084248115040119378719119712773806226163070364463438208784379258407232288020262024776300412677965359948142854954054220633856718613366603794766188467595583365839342812305028014432548004075385786607013080810145084412957270831422936485585300810639288661831251005192780693143583412049449271875670218643732060420378373536923698931932576770523989672112378709031952280990832791621

Factorizations

Primary (ID: 154636) 1682325489672499143634073 (proven prime)
(ID: 157064) 7654836741765334327699181468065258012438350104590226523530066357901410095075230337534719237520320436405306543583092145091518665796000860764158490048204736807730601597277646317382098488222276803167589192202871089305542175960585926375928250266900498459125488938043786143554563257651030181495543278991463837966541323936753482344527230019777971338545993724334732867077713495424328581134758935757439959506556247209525048233515820787403973251822710810405702044039125598166945278275322632400509928034257733166583169208482950050628171538829732791682304755444681540635011448217836747168982175868819302728007100555652714084996202480488564360238791126949474166179179718062129077795836332877032177736859368932804705048389523406758003108523627415790059918835643846591695053990626845322789763270504077825990701089774989099288585304578368774162659150748188702120897743255812690463308442151244917526935075759451562248839414671911869767424805741954835636154115988309694690852627341099051326664597014863504829191848941546296487616595024512198836289387741456658717024290363531145929729900017024637469084096003636717550959863396435623110552787555040243274097600586966150558814160398620167208616077 (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.