Factor Info

ID 21948
Size 407 digits / 1350 bits
Status composite
Value 18453243870447744484231119770510856515780903885231309347671155709355786372118184017547525024349507062102788825000151872474177027812793436473575743519838843384088585234805393212106083324519312436958991474569954795958572547127389493893433034452283336073495051337270864521801074677466248272758334668615738797437552950003127156071895699036187913903728661193083487785399470405652734316773124137528562943471396837

Factorizations

Primary (ID: 30731) 16895084328789849841436726722316572193986487 (proven prime)
(ID: 30732) 1092225614938348252999553425208231026115833823617593158790092756537082626179003684828412704122096995375165861093974992244614542451463232592225007600809578824072915271542018838427542705532985629946947443930665774072550847802729878413033285424248513424894593959182052976679709326529746675855130834997263585853363716665671030474144901966076439353793431429320178378051 (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.