Factor Info

ID 168648
Size 521 digits / 1730 bits
Status composite
Value 31913183974692908495016158161130747361255538449562432697988407845110051243112853453660058818929348935217866776890764905854680959188972176017076101943737425798635838683814819474308045297586770752329685469246600306616933850696615560335257246968265831374832632744193125419657081017505005258062038167695568293447601777693560173623210534944609459372516676133932063293265627758458217352327883325286685405660115938008557611707137464553002851579368885209165543553263052940024333381748109880370581954783305615154922839779036545331

Factorizations

Primary (ID: 167824) 4594130155343871975058851367976626872561710502528706854567172756009712468440851511490609405787706740526924640052740822297629391041650057319 (proven prime)
(ID: 168649) 6946512809954161478319198645467901453368368551543947425860849587964152585403547336870588921230185312106067616018798989074737474349150662225523035276256317961913698834493722773495246290464635870243953925064358012043867592323688252981608762993092383078185910820045463141747110081715509905727285892717208401992073076253172082893339486169990045999804857606839098904200509321984976939349 (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.