Factor Info

ID 128154
Size 801 digits / 2660 bits
Status composite
Value 409993160501441373970684028950904104954815078806156802528530403845590086843124739140799904351220133347084631840038517654303057963922821645326437654550066369332839020673299831348814445562759211346672566717276831616534241614777955817270659718320214406858813918822945798481255984851808339764031277755701869027654773392061449112442530011112685966575071087157024078746813378041923410915959505144947140178703388035186057309911184211690069640846626227769200557652407778583202973112771020418703853404340673291516584664168305499451527284996376640137353296829108851720039265609952890974073875219832377463332456956911355236143245738507585466820827639258799339693236497956861947812687983373061511943946799065061175119836988850356641269520994645371037471517435619687173832215197825748449303496981733868987265841669

Factorizations

Primary (ID: 1285) 16302512957606296468544560145770225146274875596288460174955487975745166092974489579 (proven prime)
(ID: 128155) 25149077419389507996583304311667198104025194489799020291702774592842780715787716304655479238863953118305875444082356897763274282855665992575599578284468014271078425678609601582853832651020708286431128467064421903700734825240159711714122696922646510208142513628451173856993937334770536054990024604428534004583230253003467604841069501660985643305986014364021214299458781731723979157123518090485275950888723339578092774126860032924631940799084297992056297346718276027270285196278033247230484961240579631386768649291598143943080574117800607755226973295172088674919918181382617549237120684793663163787027999889149809753150417108791784631525589721839933749346533326306845351104974143191348416652237500884212979776383433269711 (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.