Factor Info

ID 131618
Size 828 digits / 2750 bits
Status composite
Value 512719923558639610409937289135432784878132301902457491554946633558083611911841345705192244796348563656448490257604054337780959608938934200964591065294335275052254279398847543688096552437724787080062642431298714502193182287849007612370215854422847188852750846345056396925456008786780741441827348796147229265414700457867391542017636649455593670188220969638821241499818252671512721477082521645765873591967158055074419890851236071433362261185452972483172707676925754708919620918881289451677793110086568989017390603370452912530547346691361415457445384607594499625353568333148922994141053340246910020398039842173988090929857316265219652990522228184773944278603195812710015029690917466748570659629919978348937437948642322228495415949844540337742889987812273767994554527652742815949828005139762888741552470469953554854882981274478318553

Factorizations

Primary (ID: 116830) 7326557470406221789832978216760290652840823 (proven prime)
(ID: 131619) 69981014361743865158213567185867827093947688529427208511159206417012498452874529330242084653126324682220049044997312569065978929487874670072774770507115781034830112464431648560763747026594413817193063105939926134132618336887054430792344875943446903841308852736949962641955976635062695110725493213093669902426146556157635099024639864910043687164705201480076555252301060329903547136417577923576249899479850589903988340088485921224484988317656232085944227894734146038314888106904339236057803180373577136451033626094236056842981172124267871586434019868048119052417507973502614265087480465655068101563395888944226601818370507474248574753447149731131423546085690637050369973868189235530977439068059786444151445430507098588551739276174766029898111502944628613853788160958872452484580335646511 (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.