Factor Info

ID 172400
Size 356 digits / 1182 bits
Status composite
Value 65521141159226536197613787836080687637702071010362018242482931955576807089482399223160964237066140434814564753323843743263181606910914880402931297274340114690133427566137347884539793176807213892599373834557518170400789924840359352810453586090342022144736152477756966074493849139449510062922348435739768439677329620050266719440345520660362050749775058291021

Factorizations

Primary (ID: 136534) 3040062173775148103411378844085715368439061069500694592202010687506468637513552997611284393749102977041 (proven prime)
(ID: 172401) 21552566169349887637246679406308879063539822599151907427618354423310497082176434748957544108105430280099860803437597430430257577905537927620060319835425668680648453758906964644096321903529983752189769038940994383530439071268581631936306001335035197542781 (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.