Factor Info

ID 161884
Size 588 digits / 1952 bits
Status composite
Value 279717757474314256254891098610544961923502787074378224706665788683047263541491996025834634731032544602846834099993226919278226197412157958415859166065515428895076097344905285471445028530453294582646043578951716269536859656206958697409945873571575937896270333789019251182839524411176962267395917257184167674461146885782743899862543571292220370152015354767044270857849853007457733829490019095502366952921248729251464268199616658760621820326561667147457350314276008247967363375950574198219133459233122405652012311293332154375148594901486207430520931339260109385680660778183182299638345871983

Factorizations

Primary (ID: 160984) 3264142778249293738531724680710329220016745190150081504952476754477 (proven prime)
(ID: 194166) 85694093817899547541464365570512726580948251901147942397009539135944584691471383531663617852596326142427469979767359851898776236265887831190509663410068217858958226215210018964106112880351687991065179561672208408050477001950284427867862435156074281990123395161851669940854521354197335030603909219738357755110482480086296091482497108514757071890776696518887067956643423767952080616351385516037884606919239573758854931949367612303351667372227888641579953095498744710361528139109592876252068126767055768191572643795644707979 (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.