Factor Info

ID 151150
Size 839 digits / 2785 bits
Status composite
Value 15820806541337597050684881402413419511808669939449396271747767641243548007752314555426863708647359415269289966399034600212222180659377829282484731620836733928137990580025134740120494734510499748990877195889626239089008774365581798130167724259018377514564982666025083388813574385183630428021722453855925506058258736565103123669851781812134025997692580621046245218852788038476574996141443677697627081209930715992558551980183329251358579385462780039793782524289002767073070416521723610973531269636698905047468603051084356829806568600329821714129591358770459416807983078525408531986725419124460284840648254293458439990405481595635471850132092964355748581333438511047402759213988578879209094527527992203619581946882312057434567873153527668651286924330825488687627326132297858936020756549349823202013808435781314331176313591552767118633176772671

Factorizations

Primary (ID: 185274) 1938133086310863604342427553577 (proven prime)
(ID: 185275) 8162910304292718385371243225663819954374663233696159544235536338383146518688919422713032182329194180984715314112150890598307786576296660552986414254309695067169586735429697585581838717362017952910200874733740314533969029352166210363474512871227543700795724988228172081686329698000612683811641569379583420970487852364396625191982740455719142443670902701341784621897596817457169578046274478289177347817342897656555874688723654925097775937832329959390397555743552561947204266483832806304870384596786833271971754690356328857528322451746573207007944696347725409915311577330708496686236867529588766643826961500074457406696725759554662177825514767634507053120845971822529045561029074919576341861569418997121474501419679457031656020139670267363414062487749865479415696681776947222356830631772328530000839440857725223 (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.