Factor Info

ID 140273
Size 789 digits / 2619 bits
Status composite
Value 142051707842673479240829427580079221353117413019589991221457257758600853957233165052580513794717262766887020501404649946973948859376005481100030322861866263549097319042201181250130268212066382149743331246277585504330488685417454071774847921143792112409703618372263237936113322568197709066561460599439493083826630932371398004930616359237517650892018104872158112163730006700894576954820617356443046332762117082700358674378480470061342350352662582963502033320762374647749102971999758606314219353291187298932963648962911929642255853063064383063089570234472613150833644068563808599054841482761709910960039322350465253887755208357565853342348002288527428400083298959193455609434029596855898392230135248652417239166380781822507588269690237162555777014677211897764383433258588539538807324439153327

Factorizations

Primary (ID: 139428) 279971823203671490225759 (proven prime)
(ID: 140274) 507378586234854521319946668489615809597494643665497657313055732193672614372228258366135773760067079330303927784741620443972818385306283308568684032161305767975224830094379276687041530914407049922788751296208813088570497569878642493297258433318813028324995252162491152631564728093932723141485211058891314540603607057927938615079086237492800106751193361940020805448175463093110643452259549337666863344645687086688200982050503488074267688643937697953184966727528546601419439858110678599458837452728534011555551705727095208613214769900993965332133525437629973665533880151110264972770225568121854647769076856860307728541670385519624617177467418579433655658228492529624186887283996677368771957844630595707795740601869281902968914970936613194855151672901468960007609195953 (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.