Factor Info

ID 156876
Size 1108 digits / 3679 bits
Status composite
Value 1889003924759084253878856451129875338311180983537094910708149265688059997695009689116305527728396591043264882093617879026931961865201617172027632880010515760397023968116775379971442599842399093999642259383798203620402080478692878705342435619198370027152595961925468010126311751094002611269024513226423632612455990780447277135492539192860428186719099267646730035445117190274951748240955313936668669998340640250576382152111720171063290447993419742397552453605294287750620378996019627217034975672696592129958753419178400735425283270810141288102896187450814247536269433819841023846886020272665766717608477640474422397930767688256805619382989670429659447288494974336917909475378218616045434030241203717503999303803938563388667376003626172854085454827690785560079871003172838270655709370248680309267703555594306893939744231657740349223043775079963366999248034301605463180023035295293872855600318969613137562984341552362603489532680973685062380534815815218275597764128024615535045623526068815753970666226836692397772838601091142906733438734289242190694438594480403856602260963056757823970445945721167086347182192009

Factorizations

Primary (ID: 154616) 152490484148901066281 (proven prime)
(ID: 156877) 12387683961410634012236271673291097199574371749099162790424358053644014580165449016058993004718053358933706795617064996447484857707512062449598661891556552369742973138244018674501468558776783471271445891954958838741121641168601278840540884521696638795487577874457111522641795086500662224097664212579090891192496339878297064762574459920007723248961891353962459628009523251424129013069697202344000505628379751219803953544362814695560138054897240600690781559050150096190929947603126772539812641895085986006948719295582345695917082824977699377626246173341518921497562494724043469099629265232948530103884250602906013357236410779163606608843910738870647519071872084911271398136891848005968431833267186465911221260606043190219729151804446967768713922695740431111976238948765811393505954934194484822036577559578012548865812234741298940876395215563038955128142213190725885854731287174195664082428679282128934299538124670383909859591009849284575812709528626711189620972927542276578346648770862236334342549485887040401919439931255064426887321719985935783037070352944721511267410770225128307402453089 (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.