Factor Info

ID 164865
Size 748 digits / 2483 bits
Status composite
Value 2811295287499893607838273116363659486263475213398594792554307810796156199427175211061579158490061005832284858837369869283468329784563714247691006124851039631157754661304970384182289073473312587657302540966388332736764931700213082781033894404632480213916603115563457376522783924643148510277314160506387633148922382115766068788273222200578821820867066420187212034951435310343248097702059536421170871283332046019101259017762027922056271314981806611841127287151885543989294711709860441972735215342823822714493407476593940232885117540662744950627248860893154464810731595999307306664011649639473234477510029256659446275316843499400121269533880538040320688815453589914543632418229250415172816554677872062078191068044742146245801396250911023940072933406281

Factorizations

Primary (ID: 163524) 4394231174092284521569 (proven prime)
(ID: 164866) 639769546963041226033223936136492446543842210174879162287170907836743029853833080970337380937238825012253502586257503127611067272036882088393651837763136742876565369303868486062979209945428830746512526271201440239603007114089891198568153755606976668073854669383790590167312881110126566450355611791597534855780099810789017187688699039076375264260931460333357971565897153841018418186567250685820732828688314375402222725164019496787023248829154121019680508887723712141994984763034171358477819128550093524077448909171624678433491360302992727358816051713250093219628309971224389943374693890514237622247157534344957335098466402605982260063900527585903083682229103699888172691716783728665086894909587341375419412272981359393422332649 (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.