Factor Info

ID 173131
Size 665 digits / 2207 bits
Status composite
Value 16397979749669414959293225649528132315342347205387962322855162261619333372379516526075919667378915148015741737612560055547802294210560927097969426064118083285695594594623340092824913276660750506807434956304474841211289996607566120757082708729824111311296972053996742562800153495208379486198105568582002285045670987283250901701199368939485112513938876591500708232889391141793691528318658463287662171463987505879061625817582454751232778241784857353265532197421910277993682240144300361508336836170136238143214236753274550004085324904716477595847791018330557003064697752730702137112485767320801566504783124650412359303711819500566082225285701713141556797219137542607361

Factorizations

Primary (ID: 171507) 5708355499824283346957689802153802015378025330712993451521636737 (proven prime)
(ID: 173132) 2872627633330507091308331277179612747212465034777752556816416196105912682024116618501140772448322458245593676253972990261918080057019053652044650863714387171597017643883126932660075240551902148873612078564970322417150713622738887933549699455387088779012848415141708141492410185958547323929602080992019065593165543243806413377286611303867966209009482616457368106463322827050721851387884778928279296698054734588559919575331516323824637759550312098479633141995918370880706749656262118842621213206144563461065380671194921239689785976906230412028091542192271178165877197210387296079767461512996592898381953 (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.