Factor Info

ID 104209
Size 651 digits / 2161 bits
Status composite
Value 216788842801761809105076910967484885012427065920512593980091740741189624162321674222949292420755215359710687483955700855611574253754298813802223698603509486105084051797609616522569473591015422085727512545076627768811523536911427846793622460922502258783034505018789630901968874344972263357575758757316151372398404363903482068910986798753977747653448665533975974706680673514593029328224404456923387071049206081303800044567789798454822160345029929604190287717478928620879122979005266660985711423274193371894133822509918660811090322294813636770688871246618788801142078225602186484496813190230890020346976648362104931968290762383602575766386725350311089753

Factorizations

Primary (ID: 10057) 16237061488986215862401 (proven prime)
(ID: 104210) 13351482529570523311911512565141010811216568095634459401369488742519602856212897717300389562805639562498592436794237456004017645024152430351005154919372246581781174074803347912142918316289826882403615003147418849432302496370357187321912386856350970454299605925608186271445050714884232135532886281257821397543201826378338477907134685740084648743028210594353404062141381622048720424051520559683605375026061305180389298198672715271970828950988751423971700492598175300754452436893594696781637198411447620865355342175159998391730082317020032745225152489266308155279160092843157076589778312103315956487224627680936482097586908702382553 (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.