Factor Info

ID 158434
Size 896 digits / 2975 bits
Status composite
Value 19854863915029500151160921823857993333702731887814212945779931538566948955491730317098827702465704247826440456914466070361698480887513262889704881548864242330918191924396390516761378790436895714591283811563719451903807629015835971181187984032965582693321938813144376229978330235571038625651922463194406181673471136372828470171154096831001532980052666008668977096919479434431894880540254172486715631859446628066485067820572129337175037207987286229389480086082880292001876001342577649228500246846420862257207033199526986853511652623409193725267587883854652859165932868649157838829686069960216852918237657627483909461715346637422046670235976700813935556008458065662092461003774277240077884873635238350803484075463929560437497552775137303718555943138020296885715322993057722724370324375521454903025438063698844817236199529347077012983974145957019373261574661743418857544716190453836817583301239650621

Factorizations

Primary (ID: 11188) 320507768196690588004609 (proven prime)
(ID: 158435) 61948151917631156211737130531148944349824299027441757320765604536532726188197199172378382424403785306370803502598899683847907051585021158367823816102642770088393667742069663365412279029407788367319107946767841301224232591644092577265100920328925781623706303665694522870854901557730588045117230711659217144982320503871648030817648868710388418547886872496047652009181969309998840058841595207281912174590366023114874964235496420400892801753494730667181381803424760640399581293427941902109393330863907371691173333502805462115352314132412518802080955761034798843837131805462209015503727904749291985299509940558590319037620726305673468456282783531803115463792375963751358324656374199790972726284681209470935157791958504949598779772396986636812452221576916389411119542175026592793462949557759134349936826590508910168055920365079337648162009041624370328468238832309365741954321469 (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.