Factor Info

ID 141965
Size 815 digits / 2706 bits
Status composite
Value 21656108352897021939275217979922694776051511230646712286568189650043746180136264971631187926795670308754669626107161832048941440063582759508965251255139097510847758078118594782913374402419885451795883973466134630941932847181131947614909791681164272172615587787279493998817799277734814517612983737178772492803339830207691871388287071350682317560558771193456887742963198056843971271829332420450884483311271221991627700174295863040798910896934809154573748917152337342363424173549599823278318838935753316618522564915367512565391115273471671524416120741691563923255028875744953452519399438269412704922822777591077062010148404475744583721738108291888183879386483041159006832633872389828146483625666617580888299377565588943381240952362383982238360763981416394003176496738020060362942693148967268345936701246710372522281443

Factorizations

Primary (ID: 20939) 4020226117864755963006649 (proven prime)
(ID: 141966) 5386788632774499322428792554131257867747859482683089759368686033454043140683875440290097197289848664436751306718381507257478251568549806145267806147592725131219032196143915355498264538913082102744979188813523676286137610414561573738147087359163822352709672158485217745071790342570127068054831821148258335546686204143284346956670623843915442963550104125897441347963323596909222605943501874840188889513305916313173343148281992035800352351142396704243950605195048001365200227299520553776608838617983173841228061484813482452832315899005572095491778139074299066634952818247247520237524275433317489346221211790457897174692924506537966456996188917913737215138213481895554387856399572834620890101893288421998231182247769492404915964886007995588146279454748922911330957947339922876044739479153930107 (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.