Factor Info

ID 173251
Size 643 digits / 2134 bits
Status composite
Value 1787183064077700280799513713772914764390367033782298280591030635191867108942088632704762967079087364651166214760416685426839556118590215294854384876998115683711497145609074256919784799323182704191795189015416089970679977025838662377511390236597808619631333855113474611746906033089701289186862792473370398496751911834505507202311645124231043591627955023482745149434447406653640583476963393527739482912623840702731618989631639564840200553573571780888087779479559840874920061381477189283326304044893081910770174523244304786386229966277577279512247456712973849272973100701255236833811850576224925530850483487906893108937855630876387833746642979607

Factorizations

Primary (ID: 137514) 2887522332831573204225287329 (proven prime)
(ID: 199888) 618933070666555151000761248101152856215450824258438835014523366253494463322997815087256157208363221898308100473732166243014199213900833180736748615611998036911358221646928235242512135302673298132192737794540279788049040808078138246325725458694689147606826124549401730665066378392342402699365877527656929995034965292792625104737674169403634881506516340433613167288874977748050681534208604824795940243009328635337814117055854959470893900895054094891110347908679561823875065573579142420431267120669749363325589414560231971417639937499754597259382280702379362819221018349800195147464402866802218004285191233400703769783 (composite)
Secondary (ID: 173252) × (ID: 173253)

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.