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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 #1100000009079602240 1,858 digits created 2026-08-12

Value

9863752702375376338725135657025743558540443608365594443705347678680140972947835246048773514311134275950755877931351408341601467914285776109192038434844992880455959184859369142252151970886393092228176119795887595460096512698641557485360096728877528063944134294151521614548845175874290627508618039905193125169925617903235770489255448797792743240908719115929528336560547923621369838691385734375969997075993865871213651534771676957027954864532074292222930967215622258798945014567989200779126172806499673345616671578359595065683167913553095712982477285536637061517959908286559347088015898397184624432471899919482775142018230195745793798401120194615820555210216655125332969366474169058193499068520891849469557694050279432551036105100396427938925666005087087385556555473761651604138896214718093117728743742174725850983273301231687095699897743692693521055303054296371101721430781858458258878532677491837219698010516598742757734203631363206249471308621939960436085037871566411835717714559219293099833163887120192759847144809337580573694280103592564393171641385227802767459414447854621072301915144766376762677336431399856314320569076668228456991744218611999563050562712074074954709624406240212552437641974730870379830768581750469175821000426342672623022109693478585324073340841809949141922846494611847870516826562580743794788068264203566445146368636447186226026509402243461132640787888089104649254268884055800553935614806646375313923344033094526225616330792252772420391264652678367535875903506365970847365746292413433917099589271068499642956053040006545568891374485588712402172285903400747586070483019805849218298874852583117409178395663555210782661050435488922506786924835087229846564809689620564918419510876513569799864239829080168971774022111877725708201140297333549839332683539731086626953487198701609690243137504206079425897745746754169000812958765442755496457351
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,049-digit prime (163 intermediate primes).

Certified number2,049-digit prime
Certificatedownload
Certificate chainshow step 14 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079602240 --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":1100000009079602240},"decimal":true,"detail":2}}'