Factor Info

ID 177267
Size 820 digits / 2722 bits
Status composite
Value 1601499864163005663559006465729640898922353247534825268602041811960880552862447626077190949208613875596709876135882037273632759783392117829082403943189950697473788857328678607312096760571980182929028553580200790794604166826829879655965695471254831281004220320159493671621933811724706611659935595237001220550194549249875247125532515199929590680729326299020907070170933169156606900639056815007121550714406603422589449799425079054286338391712849356782624425387215368871504853917880892765612673767354933956361481543255285339354744956620434016517244509670779726754825430249213171801520896047060707722128333879196060274828457989132906994407143363620661540753285453681136811989977362518828307831898767406367599528515280107895355560221070104771344530343065930612281281499884081266038030890868588574360382741667936815903849283057

Factorizations

Primary (ID: 16871) 64020956436201443428737029803881709 (proven prime)
(ID: 177268) 25015244278003596225138892045987162311444786267304809414792606839852110830353033955244683861534313802613307825418054297127956389850925402981733122212898158244686173540317684651070591067260221431356668354751132951348897161920678280072456898643034044734795500868798342956531891626723441076643672169206641303096415291378383698662645858908065022231390095108790915223380452050170486388425596991269074708041583034517611195107609655350407163962584325536790383939860638774004404534709659568647197821925954591693865885004874642439050397839886892000841368509238313213997264147974555971281470623674937674991429001119513926429812119282293157740767728165282986915383128948010523665256667964962368113856876734172693443541007518786080542303192402188594015116838288191691580161307236210378059314458773 (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.