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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000008799243228 3,610 digits created 2026-05-10

Value

1341697394094491919118672493763292751035250818980806746472868983640460091459362850259076611082785309353372397082778403202967431916455887665838981988419927998262831489813423555428845582290689062586631767020868168190754881187761831962687919360689853646825368289775579719902056839092214438502771118306413258846912521479078946813807731801826379143899459790581153874491813218607282677208450328651451164613275793635276528679159565536984655629477912449957327712034743877789585989846456865684442002639840347075924474824579479494608777050811895501760952657391717889250946624659483038003329486125320023595502224954935806665709953644590344139777639033134394481046562197274529728641122280961209151282727582287992808868966362874107397682623349816910040898499297731057579294093689651696320170929483338062554763961457779796297947736353808432673497022818467159426205818134718546409525988204296105318197472352067160772054336021410704675165432983734333235093509701030061098487862624413769535259871786305468343444736822143915235103459461720361691435142427522283537124319951467251194184495238333562212015285550150141886529091834828856555810624675098964537767925935711041018034782929008287096399863803584982795311019555348838608912766810884151891547182378025314030020250137263026093618880758518728027473359757137496656848595847136172624460937397925409850275402167382385389938878709613756179995046086819223338369320008341595966825965255104055382738398434452119236174987063300942123684143998783086130733685138940121880542691021288835571332918449410748565921577566292553589709390373828089390878582157241997700130926405503255892255241758034760725401028206858479300539875765289399999767974821951532701621499986815015359592630907824175215087859765229817448277921813005325990290386058782944870954430510892096151657244948963493096022528207900690009598372896484116398671997658631774681334910804972757752574469921358210014709111446217972546738365056353111398553619791198037253695647706138152179380692594310268136417776890353731906134151352164101044770255880697882052995348711373334115008483796162003195641454077894160585406641966677317870447840694017118616755637206404018766391576263436584480233213111046435709742511009478795532629230985808776324868290686347408209778550645074950278816998998239182468076304281018707654822061829500659430693185292865402799931265389719962556809832710589914058407610487761347271427993417135666917062202665069631669441125250234254917761747245906418312483498467617093689580651447462664597382702850969581125049556380044849976083376033801911013548214034751759875783232041436811000812447157154454520539369094316271856739205296625452793332336961500925052548742171724749231244661320482359097911877684586426380800978349930295363768728088175392576930915386785921998746656146986923695021844014400109918650152231770010523218277953886188829303279593167147727539582184667358888182295168030242590371131295568076819034891889818621135629317381064619822464344556691672080576869140366704183508870088270248090511605383729726009318829576937369127958174694071041060499785458084994702146448480698153402491877958460674107247494923326770632460329462774831407959443372407126374611780399670831257988026713582757545902143188967808758632683039664609329634962032016874807068073598085065871131204248961258301242357184358084676422623738838818410152908087148813004593749068766521874668250823720412532672569418855295637376171628219819766205671954010428592759155228144542024931661020231541710079085973981175133246482507981974490970735851184551282328466989181571380138277797451743443197204459301192213870668908461122094349026768390859037307526963
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 3,883-digit prime (240 intermediate primes).

Certified number3,883-digit prime
Certificatedownload
Certificate chainshow step 21 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008799243228 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000008799243228},"decimal":true,"detail":2}}'