Factor Info

ID 151856
Size 1279 digits / 4248 bits
Status composite
Value 4188431456427535529301708168325669053680512763556063804172425426798529849955537597690755468307374431096206687778506090070326072144809922207403229863282119200997946208481371037363766023445852552683442848274700947812916407509441684000502891840577029882490290607922086110583657713286078142620945297946486123261758114748892610561266229976315178759465271528062149458777073414815668383538081947096994924346341395337579652000921750733948986468301601362732779244134224704621301510911970658723691513058551378417501073416600522084601937418312570702027614369724162102913426158744142689309815777879283065476829430762478779042336719497477877292350478390659923220109514477546746092179634704028168972958928202123392920389012038295755359392650341923263630091590406541630358583131280373682576428749863966554543915999697814528702755282100820754273165422680690387478181774928191547284772432071219769948296757437353930048477567052132130020194931234470974505890998024883147042479714027111477307096723856569185240116065355701692176345812593044244016828267016477675664649749331473157322604906051969726338845249344955139335674468015605358122253271571526909616185205328419525670102102548263758515711452390123138778589522149692956906731541288208199936760048635028485775501903847302116789676227741793697363

Factorizations

Primary (ID: 151857) 8165373303827151447929 (proven prime)
(ID: 151858) 512950394376261607628991925924841590737634121043133170980727000395299916715332606540775934086200095588899594639210285769429703918769662007994435785213674518988864810930641036482989253495346614145685198456672417805030279207893999275002433668097083768923798970408733722794590790006545014714556719837285793449650733429012998384174588817998028793752259063891831849682700364656484646417863153404108585412210042793720162115192036600010825262168945692115348567289091534423333610309854796961128486866732985836137469209399349576235487211739859248142965985512401316307613642606117422340396802181259763359553903299398957864488369136897581103768160219986010784866577274320087136210557206450131056969241534776095171809689729027770878486569299026675194524401213282285639365454050835571912553082226692590053287295298869046591350381450726126622606766013814837881817137559637437505986388097150281437460198753591373333581971262686825252948689995199140976692498501842831381604960869359524784989074775654272329230160998588221572270445477108111602581612340122469769111311191789758390516576824571037397936434644466910646865226921728812925654935290126693091907020609073068327965809673677829154472155430165028623776440571160074479242540262762956754831370485985055349990276973954347 (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.