Factor Info

ID 18784
Size 323 digits / 1071 bits
Status composite
Value 19572551404245006723561106113515918606054735066994088159898918214916714356290146855347526077366494136945536017738738845003542969673284321488101394874774479414538701276951726030334922291766746813126677725451358411425254743646458354791153140750136524344025022602500364293709176016576589049198378797145243349440469923513201233

Factorizations

Primary (ID: 18077) 8771561006313491618219260558398401 (proven prime)
(ID: 18785) 2231364678437202286919889614892053424049096491819541601812677612443589165672590712366447614630168236354927483343383983610662073924182297790673284576924670242938831102766322642701557733847998171421743803723553982546717963477330103713970195953907978343803881518420312010684321314271412454033 (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.