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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 #1100000009057950444 1,869 digits created 2026-08-08

Value

109049699766715376668951988881468640070530020224810502693743316055659503837235088326274788515162676003341798974385695492966321355324567188638626078380312538407192131409132924215459408039566169876587599447154016230524832453019996740620501128139172553999968081790490417356809391291910321600932723397676058969804206776650360554263587372947745166072535086553293551893885637064107638340276228171497923434679440976373142227279958910134154910584622918990152212668646339712508807931052807001500118859871504770465494567489043464690596370058743111445019276765463425051792658916852230052929702782935098330254570495516990863205434226542940303817035634692085917275397810198807155566519185528433282238167325431294679461319268067409743145586349349375795805223389480624385025113330548035179940005233929435961904210839888232174224869163587071924506790534293525879506632558349023068686118505077103703275464789263194603870683095598271672174949014492353583232085743969557866784101361275930206860867669164092474488523152411694376849199795811865910891068172936290031159149165675252853430263036755911310933280789206436978979463672900698480933299534820457912809922214183668479456301447800105784459718217834810710216263368412630153419316108794342209603349574357318896457288100447842919598300713302893280451822495040845472981261315041141766809700349925698176674580046169208266803034951728329985902273157447112652845283314334245774633897344392682612788507836848933756085510904766161926738338183702491226470821858675752570252934521220881718454061601400065204300726586117614911076422606197300380160368295194193652938911948756932283241316637377889374345427616477001642845326005407110287688354861147274591680585413431325960703427045882099462725699260196083440476051891622178141092746352870719454693098294831615454163016359066285152204338400221869837795938845294121133385373880065224288350319612818749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 33 of the certificate chain of a 2,254-digit prime (178 intermediate primes).

Certified number2,254-digit prime
Certificatedownload
Certificate chainshow step 33 of 178

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057950444 --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":1100000009057950444},"decimal":true,"detail":2}}'