Factor Info

ID 172517
Size 561 digits / 1863 bits
Status composite
Value 552475594268325637591088203622225127824401061768934871763983720213984534131748746388371519070234480637910787202000476797884459104808341183188731237068433898169606103719392566262827166220307503986370231847049751136909897637630317283171928323094407834955112072606425905198555385837951172821635667681903399967749226235288438328173297561625608459120550466126383057807107853004841570811675105307434413471311910143095009915804325561573437995541678212679554478249261319011496298817427269437524409921094057181334975980259045508753045172128835125512142375907433320002759

Factorizations

Primary (ID: 171424) 568052473835599974924410345683581601087818620160006577423808749907783 (proven prime)
(ID: 172518) 972578449553971239434720220991339215895332509323669137983792691271375590297178190166216408088673854032275976547702399656505051126774711009490178607028813128420898825701369606774904447403482018798760686898109959076774607268981141499571903894915053012290359921881875297799310243078884187143628550607393549353042035042443029436791418449347520814249921356464126121944498339993443618526048221141513152049148615342824333498510406024964213904924149572751592833958935525964019712739051926695130566273 (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.