Factor Info

ID 145728
Size 680 digits / 2256 bits
Status composite
Value 10951588704393752894090515850445281002581820373243881331294006716331633922068545974622486607099628662189825530298344912567308031637032762672891299470123722917673864134495898351548937447666745463463990136013533275830101992551663819006349889194001149496565472708702563300134032922008416448563616620906245871383114850265999425802987266729814293554316874664745867161944257596131343302107032422812783250361194972145002714788111250559373226380950591810465781457037394567532851463036022989127837123446522709324048057496026521464351080634893757558769234574002987391484414548161583594291325891591348914890064148815491434103134627493520153225117752042714810232905903966322807401978358804209

Factorizations

Primary (ID: 11517) 21835473162448454819220238921 (proven prime)
(ID: 181657) 501550326980215966106150522626486383737032794730527227517133110261098374606314526314909048804694588950919861772134767265259557512368577351535528549000804036707833142973088598205196168894049575428980610731999473897033150498739717145717584677006328582672706707536724949315127132283444037867399448827930194796778384413739015309928424707719966129928376612588502644079780076577092003524684998389737992946832434120548281154848984228977578444116796332408005875719083555903207626872928606420557893155894818025088902146725085053684528003566545330902257853773644740018825198798192912151952005874020357712683932481007282952849288394805082679667439440927596615529 (composite)
Secondary (ID: 12032) × (ID: 145729)

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.