Factor Info

ID 142920
Size 1198 digits / 3978 bits
Status composite
Value 1968729093390469106190359937085300435758247328236655190153243062036644616869812147420243730810391840997205060959952819983647250682510594717149255348307726595637947734859387517096716109242969852596899513930117809665256558776756251630501545724876507030711900355143491113772756955770648317627586239268447571915058657476712349544204598109313953196747816129061114111151251659346974453593594543448747777857262959839392356568102397962024388304795046734772459782879358389978263714198981622047022611044851188176924159443554477620823229092251819192103540956937183921023068469390458240495750250231207479737044598318696391063353249087625274850547474014558345053068841656532872967729840784563646571048217261335691325425325644943940776939938556485303482378356177653738714484094803324178501129222746791246548813014882872192704106711299217756478342411071076607286099975375764216251738296473335859145635132818445557036356032736623996522635237639385702948831047373188028503056624760439249967822345662279901105678268668983829475937820912766405807610062224265279379584551435449354071157899141909346391650405862186158866308628025026616888777917537777447982917675232464645649359565631041764709893531125113647291897604639

Factorizations

Primary (ID: 6672) 172827552198815888791 (proven prime)
(ID: 142921) 11391291888030094212026727672250670842993920652424849715117563989976221980786219545329907623413947005013614180294578168145434207065847051347105475251228100993657416506890510145687909523272222386305278000784429425262938558542400769765400317797974030713539456137725148269786124712573977101854810559519474509974325892800342115451707564063127963583719908372005170739037961817670343178409096342412808156545046919218728443800641943218217118226102372336091361932417716015597861555567584256692379190684693199291242713356911786275063162967162210612828152000205511763287402424790855820472812795464288413661351888246679840231628635214089871683259597461057279500596361059730238087843950138406816590034085284359873283575893423368421854815452783692385308492129320949042335052571107761889508391666887596829720862137119462887942317117865711258526056784185911810552305024722352603639427442542669069721928924737041410167229579311834861663768537742668646461068612386650686065214861498088213913357817310135448715699476782361868576364937111236042849642679267480509845177145408566766610878412561803177938551879868810753546559275331799985014664919232590651383188805591820971634545679356532026960236729 (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.