Factor Info

ID 168917
Size 648 digits / 2151 bits
Status composite
Value 309544111581718899880833781940703384482018559617229460868726794134835265772353158437659638912739668262096264168245594973172562667133989159509303268637717294827647532116217234389274884902408359767475781269514134642237558601846975752242722041510145801702766421234116001600444348246991675849564079574820191057389314990411615443753658886747287233411431060508054356257340965722119995885470722283329596243840409045194018451167378293923908491817208204961042851795746838145692580526978820465162756801043517347055114964257462536790484301759454638587336691369478458733890900984801071793376017175081191085500670058973348702149580068881702111358712870234583521

Factorizations

Primary (ID: 167787) 53919242439762773005242386860200557456243874686294562852445931950590020366014258150390180061554764542320310512176525567625295129239 (proven prime)
(ID: 168918) 5740883914078240757253170457632337738720498330627350927472333480610914386220843753869315677533267761646179828484971793750370813082054834089171095585556678761795756121673373720458167541108354437538306485493666225256939556035993020552347458577902047594232151177934833579552668392600654929168832602277660903561794430602088662751820253316079035758025582927911311971315295320890246717745802592089496997326386733468415189968369344814165818144133650035551690552132720223233300046581450715473880809451111627015574360531168839 (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.