Factor Info

ID 158563
Size 1304 digits / 4330 bits
Status composite
Value 19538700678260346189434160730627288783151668916545772829298980504194307234339120815096685034538308971299271904104299993139122386623252224205293871194265686651856582162694629232822378970509002960833169133345808868588964759773516051877364176254046386610293946899186643482707705777273682696497511700275393380562657127528892628973439498699941553384562633108568633642639619500379556734217798398547585304212739079920788299537750975792964818556995290299856225559300672544009839781140719289561024212939776895663844774311756098124807795990915292655611421474519816959624150978085755584127289226320966246223357800915407030522777453063163211017625825429510515912920412110546167586374743288353777394918724615509148061756276454858812816519573497909494053388536073578196845508742542309305335863664453441690761223964972052464270721119145256996179013024058572904766248221313797182161596938884592064552937919368290783512882501764878510034554975538428414193927614608359268153279549081354534180129494805533893218348149130891675986430891584399170263507814383229304850606211398909094343590169277650206529798427754384024651540762958191888532595577667655875115104658852256261967862369872780086439726218366056139715484599576617912302799269954570869085547905835614184438866611237657289343184026164494788101855106258994536307957089

Factorizations

Primary (ID: 158564) 2011992757072985274121 (proven prime)
(ID: 158565) 9711118794823562837593439627424892856109222565210052896259469981588954518383825447551867106625036643785930124745431204224571353583940735190353342237692497246793054788632323262839199744937053386571741525427797021101929494866091362481255411385917621216405862437000321741392740114130011993352528728565170198333770928972823543952120276636380238865389747292112495868702509214963751519391349617480893051398170419499481671917722386885627572063953183742824438359009435610806062515592117386082553720092607531224416583791744229916464345300693392845408496679953076815780633181110719203648194418421181201771187946116211922106673244155261819607821620225101238893337149555623002198305043468890329705975647886605411904572679404949497597412018542172687841295309221911823690643658152372094271253169708435200117305237518568984666876386758134029019592836150612321881230282460353461198618908946927052112063099752650553983374172646725605268877281124730094602984701232511527907580538402369222361444022691196148416768010316109931503419349720477932801695054874676257960866917479914523310840289114499771302072221918098323670808727664841852399480511080272426853430167662875309094294331758118953506403398388111410857987655622390308363702010301716189973997199530484337110885473927042740271446123009527457690009 (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.