Factor Info

ID 153781
Size 987 digits / 3278 bits
Status composite
Value 536814868143123100293348935004982323078462740395287372734918295402985812470986196072957299952301899260252093193357349581640120896222005271855735003060547619458584447621121021305915903849486070832271054217977534259390939052356106766854794853583427469536170493533265866952990032324027615488226984006160230339475780383652616298746631880662656532288304344505397247450275284796749780383404595286135239709763306915263481422683533961139078865090077276834232927380754326811054628654499713320544129804257112407981950166064432242355950347308936958616581627984173781137697792384349623784468072972892893825670517758644665822095895716641599122418236898126638320772924903103278723802836510284918895886519810823252375757274976963252090273976816446473164181529793006498204525793049677509051257694179051347484137536388796551837672340140101491446135744159426002043851980636329439014884841169597570098300937717819069385174771800110601060797746010230318392944300466444417171703781455620197170174496057999547

Factorizations

Primary (ID: 153782) 221083962065681158618193 (proven prime)
(ID: 153783) 2428104070179647005414167094588168442007639185154580197625373514116854092612287014924685770329272950434853949711446303624434295624670589465069957464169954349837308065200373632673729978081333066525663783268219916653083859416213102213940077757935481194437188121244178113892853868834623493388560635302491198394743863730491480907565145563906470766621887793346543275748445952475733659321820878818289549484670277378587791418809070522211437443480091112915942069292382817312500076292491309033527245447659845615875631317333252118204000366716560867446946032797996219239048700292494982385094178114701760331444232323713827356128330839237401949233075869559753332791007621712756256665263495168976764456685353728411959312460544275629652111062079072461803858341999363441180482223104297659753660567030302467288676337059923851788894281380306717122101503203258124811685720812519358541907431516421433827928690352261847103256024008715710401129616124174079790589035723733704823337551179 (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.