Factor Info

ID 151906
Size 1345 digits / 4466 bits
Status composite
Value 2137406663250985190086211964712948859263885004093161669009391391604001214614636805718696514113704291643919014414487141998657289980100651729207222364134571917550175175929549650023633919877552444970534454825176025632806163670214920265471669316232540365216861460147292171724925584730466659826994645095524626617781250557491387758211730619957288884781530942653262601364423154582642938103474973984583785233369432172754901381241169203490427017864994829378688067644869925772127247044125743456061317611409616630799064365568149249656295554566902504236292647305883423047571862499494816268092253870674534157425280532297996557003439769765061964321500540115874600427735625888082382781473444759492154722300597973479459553336335673879986498374115200207097650952655170778174114751755186064953030346500201863548544580900633001127004980969116510371520631409298395816517344542777548104147986236233071925787187323091417166687815158830784270317936482746089658406702461196521729172378534241102298689129077503639297703873315511378782507390428744503673833441154143449302456451382207046450478908326805903075747757234913311832238200730276645168874974873025367939638162769581764932478708366805672347403046324427942514236629631333780114998595553705604327123648360652194471268679955634758076710898522860821421537818281749831423138128838884817821788087252363604790624282134597

Factorizations

Primary (ID: 150191) 4843868648855391221699 (proven prime)
(ID: 151907) 441260244279343854463021526840898188988322208157442205383547700156790765335112740882806285284732642380821147604284102904231664085075680729019337923315349464680475130195436376691355217975990858787232991062128530266540392891792476922596734908703340923490844716984892861492332973809391365857383504073737028896531256647988496460721767912299994775365366538890953974639973523426512229862319148716125528193232945252586400067290863976041102399483968744985121176990866112067280292378142250498625886742538425548436117102413926758190371730923644541176782761831625725221377676479691298258392232251762953179084227361132399430939918780481784950915405647295362625074137124894368633810614451814293933139494690821806791773216295882607260290179368904964426696710526158871974886623960910523607595043789278936319822326702310066046716480592706262176465194309192184050946630847132799189473624600700690015460576758260250663854998562233077561598960968716451971694200261313188771838662984454366856294237557405907895638854680070298364463192215686789225697362841875201867757652684485754305499514438497863277681054898707617845950640816144383554535497838201083327839273949972730113241995026844748496111208878333106814921108889292934869005659927180093169336358331519505322682435594941693447287887617449962770807628282373404922636968469423277553348380503 (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.