Factor Info

ID 190905
Size 1250 digits / 4150 bits
Status composite
Value 15788370884768425697760120647068723502782699653609416197279324850326598473906031607815221239050171962085865088255264220341935526669181860571328759117353512003104376466475342643413955013293566769228671972112111335288700691631273154315445557969950353047973245782186948895961455956842414103362732736219879698229446444058982185086606981470575026181464087728040151752156662473670316434820685077783119083898741816125827905471898211971043252135340960152314848372017601084158021354888943742072299694319331733533342305135227248408785923428994746460265687407364532792787156751374946257011055673106408986344591234262193854440523765845327175825548377260117002931638099780432511380434531848148973570606896593342545275099665129578358890987299803894754342179491522626800327499278990268556085257096988000734786383146173338910615556868762530581834249221773297929535200175147780466559572942319024494181412848330600826863820015833423296593908522295523463164555900562309537831755393650960025505505208036907033525208644748668431146140817808428715350039029160576855963282845599427577834408085250866271404729247306733710386173180923933267006494551911986839310156589859378128805669536401558146555156806347645931225768795168428860723396767530245892268729372769353299244575571

Factorizations

Primary (ID: 155955) 478103814896755465120707905491 (proven prime)
(ID: 190906) 33022892503331852465212977893089197439972509016931574070159828316710640684743198870197931319682611535571124429599005270751163928599475554987806261207731071604087111340055211321584792992188831151348533112379947705637395266744483303288595813985800495749853829457424140360202334722836402622796701358096507475542775356970860664250357796420871277413462881081891349131602539826242050926726159096717710581795110112484277451531986532426556139191313097710562505836610672142527557010411887613898379698167890272205352248727840544446762548026819398140782510110800565649547229164777018723207656029491113555368012086544240129781128385904621107086421216051847201977867667763924608754561348020028223583853098541308157423495662761281734682476825627804796178673728452020401174402945846232508767615288035376947518717389025660185531621102286558537682825118514927630134756720860122508940637239930355277716864837977596941856586050026410604532525246377831047628689739085118453673372953810750351140216360226453808470348772271691355895657537541749556569857802779082049127981389755960886383098687228437541330466176849570975880459317405943308229016016547256154638126887068592298270275797216787333911023853943166452373238655722680665828109691018881 (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.