Factor Info

ID 155725
Size 420 digits / 1394 bits
Status composite
Value 287869362098465946574954585568920472832282805111600904669637589911363974592474331288442234074300266859381311097415884216596708376892589677486599703901825977482718817140625514190836585060564589459362482127224618865807590793186921328554353448158431970556752147164944567229320255815513286665091026057864362143023544998818355602372069884986693868366856581785161284049160057012416814408718877337134534278572695161521776625877

Factorizations

Primary (ID: 154641) 1814503763676130449408979921 (proven prime)
(ID: 155726) 158649085144497696661917497349556862055897335851475167788807224094646656919161839982848520680261511020327534515585990074949417974339226851550128602466361572677182117386175558984939562839606308379402534895437412726438990651090579243523048431816533647852014543821948673670563886953222505426339781559034682611603374149018621957152421991938789817739686501040565760726163882989021974014322603792837 (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.