Factor Info

ID 162513
Size 837 digits / 2780 bits
Status composite
Value 426708854360081959576137277492582875762495132261028870606103670027748903611639240014177117857468280545636409145019719301339176546281947390887551027691042771438315911030093371673616645931899976915735985628826715123995225349651067291591410724268233334171920076902413620661027881920259348344422189467570053296555730158472743737477886919921298338243424698399140264220439430762570260050336939017546452104839513764741106055710471860453721396334772640841441131832502754594989114488154437953078476324715160364443593057795685209929703043896561224794598974675953161681993720812333147274589316756726329501955294421531194964318907477573057948556373064428843351067982684586429225630742962117676822729196709482569202047090375957289305634802659430521890686928573191050206627908932230246256302587670275305288897699617270197903644504945461360111160475673

Factorizations

Primary (ID: 163474) 21375462466919076222503176097 (proven prime)
(ID: 194777) 19962555431044438649904001219759117439313927314231531070204941189072312029181737026000664411664863278857969202567805501409001870926906921243264024652631968547491078154239514888527050381575944575469802927462836876979919270812101265814175853861500434545037160593975165273251503267450060777947189146003747615762436393189256351457776232325389248158755021372697193042307712220787655999952681434004543444055291449931295777951756198195715335861572560339226085742419678982640879858186361501283014661700259852405986411202262381616120349651961706323515995030229498073293878657632953143677567856453636301357284010916832714098340394679342506135725459371374231855936523236208089911618308524980352958997083652779304526645063856386594651403619447252434005345638029667087938590525269908892590798017441231543876309808508716409 (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.