Factor Info

ID 157379
Size 623 digits / 2070 bits
Status composite
Value 77866237316285270869803160339003381748972709455001617637302648021836636499351169060339932763983009688663597166928871125536575812858254841192546964473125806463514948038568541201322871985645363124870832990868026705413034918051420045691591660417797028167219339091460143629902151227994762958420828970347548054564893469303372863656081636045611387721083382628946918120103806514915710922676548210851310848300345607963617436528267064766760976578263686396964949354859951404837879632777135071062660156908647041347115292962986607496374742817392867813239411371084998957990060935703018194993502729579604206351016350767130515804202810393

Factorizations

Primary (ID: 157380) 31303340132377240381361 (proven prime)
(ID: 157381) 2487473764365091981306673641070201725447009563992708927678242823884217276988655038502513868656060872606391462213269656213477313489696240579563345267006068719418809409502972353078394985051400004970570306641102546588592352532497831310024754274311631903601733648580577332202080047310693748668490937833009642206075249406013222666506150053683670536982167182513796215557028185694798655260039150680462079147236783778956475817720141593951475006826613794353835617348415400337006392770231976711184875699822421374440531890129424335263988583156429756788598336548747808330326744312854237024241655111252541226900713 (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.