Factor Info

ID 87425
Size 643 digits / 2136 bits
Status composite
Value 7173083491640930162228462865274238852165663117620814960710507515598996153761398751195955126939196841886053389227085675197433913122056520778238038197130407336251695748637645856245456360046494160147393390745908443798803033242994505829274092630355647215383183257373297833607729739592013981642020460212849365926731197502172887935339928612898196120259265613612285395530269663583176099981997878842272862931809281767968650158996580789525006433823390177647810471006112591363435709858894212537967324037258572161744677032718681727987926763882834958492961123182334618245193273678847980473829033022227131190697917446084941464215191099635687422060224998433

Factorizations

Primary (ID: 10494) 2854495385411919762116496381035264358442074113 (proven prime)
(ID: 87426) 2512907720327533061277111936662705682493188576381148525116663862642535379030173071907634198413188267242933927661830304000245072475301337574781515341061292590636768940197485355228286980538115108482549910508537604014341559337173428143045259400745452862325058567648597746779042209701220497931629356763588529586377071726630332610175436446379994267490153760530890904556834117630476489719489369183759431250835744693385160801819545709702592512671977923823101674547147183308609591652206657714588394548113368065511594610662591013615896320522626798730098849253010524798916934204161149803579929879959510084641 (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.