Factor Info

ID 145237
Size 1236 digits / 4106 bits
Status composite
Value 856060615558022674695929956039249922420777909673625903300424116681036113807584956486789801517539972670176861121406868001334599543872865940571391205547887109790992635012064523171722990599097502611624511364951505434619373823351660960534730883118840925806309803423968781860626525793770017977574435114081481458516437158015983141305555339278742450728020373239010129195147651629776726159297254679603759754572868999941334024924596145945457550089044290312263013361180579728430992133989463006062280105317544267557974780465872313900199278396159074267600884963983256621172956062102750317256832676305062856543860364386923902258922235765931142857584274060398054673462287889190458768502544746711715770022678808609383250738873427706812286353675574347133300202323037880515251299949031882815123357544227922532137740456578802815566603050004666266713371401696505491303887060808895948407033798633955751473977664470074371406666563217449399274609658246210691149433095569167879195212960595530397460507098191027709980403963094066336075814792441947968171119652143763577076615518404708448744521072119893875481291130687806231602432789940521251714304115036086832698521273366994630103549017625434618508902772034999525127332356508480196370417547465613903195100551513

Factorizations

Primary (ID: 143161) 2270440490478175159386113 (proven prime)
(ID: 145238) 377046048618402070649260414929621657502594227077829447453036635402232548361953782947984312004608860967094690790429803042306191628310062638966497436661922544652475858645093745767827789636374829959969192377015650612496230795270121573705279934735860891331449584599772398663259574903274634220807757454260257702897712835281185310045139808077735224941201071064642597384316339951890097323208687171408236394008018892630396388353008197991365043965576378280648794688076851359458155306049786017422003998367735111610428103834561108510623101239267331051288164089352843865430951171336728598408899669774080632528332150054894638147595413076566348287307003393351828484954374980882858045075682011660917564373146327041995893467567781922989243587234417255255435720238183282970625862338759298123747676256412739928670170628065659217016320476100105068245777017825706300062924095757853830503566735787380827349723746383458699233819883054511598223122453472761295654527761250764945501900257438025297749760974661505068525090629688029181602510533025154783002725327253075594839536084172647451798549539317378976091345749853861455116372849905858705280550613952151893218048707469269958180487667030407102309101333668298062399119667749900662675801 (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.