Factor Info

ID 81020
Size 805 digits / 2672 bits
Status composite
Value 1480644063127242903684828519129261362626584082034342262823304007862287354423937076489419318771250831056994443920890588321508166285003836654829049047032616817753467559660632724983789090499788896276650069367151549310453147617298153733488662243296390808006967539198987749414207390587113718383409257006470376877290658806125900554108072851187348750839681849985461828853360482112850304368093823139671438020281030562996020284705431597727814695802435667078909413526251231705462708535148595377824013876251391169208033448881196843581398890043863045212967358873320769546956742972804183823020757821476250087573974193195217157121921800713984315207892176784918834205810996942038117803838945071707629063034042287868836800106916120391518241766424560935986886445577131990353932392985719221915983844775058319889971334999933

Factorizations

Primary (ID: 78821) 263942790140474441276019462670163232813197217061509703917912996761 (proven prime)
(ID: 81021) 5609715887064849161942191857092196867197772344267750599396500188120559730417759983582676752949855531368782244533428626663661533036153969855482040216019356414067870645321242263895793882410919825051071852584394035734834794625520916171071010418640468740724291011600755064496372434871358742404158429209578436137353581655070313847093651044323177431451643154127763237091410116131941502271222935232236801342340620776053430146846628172701174377716373426878576436908677868807840591355841911215731902223743249587084333201492645123108836106038480702529965664420722698714294223926003152132930813789425029480640277366873798074157004338201704777282253863402561229935242548016590819272552798605864457920341553852662462402671111543068068303106387224715653 (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.