Factor Info

ID 139584
Size 448 digits / 1487 bits
Status composite
Value 2521764240939437949692402269849914339484643264392312297293918793052437577418346325524618624224942006042718678864062181865806628455560747881312769210580428413913167142603307724683877340149429722836642830514206292810903339742152440339311173675808151405782463529621462883635893868581130852525081832400365275883247843751994914372193814558935093835873135410377703941745948962689385096774636176895864596959617559470264011553508538725614155330025678685301

Factorizations

Primary (ID: 138855) 16870707652033108598339890972668587815895141 (proven prime)
(ID: 174459) 149475901838387745899927714504410139010460423800752863661881380444710199200292271526146530725746365985959468917982796767553676774732416712467709030384744702705262385201643715959616090946598354686728943918104078908322431270231255288578814202777381071393873745876601521276294457043074944958678143675283017168735934587233845950580448967647780273668964891111729114099112461768732019108838021471958999144663761 (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.