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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 #1100000009074502453 1,727 digits created 2026-08-11

Value

28916749750439205246025902716160551884493638076558908163744883849991164957366843582011880889471728735544299861835388090070803736479028265713367557509489085254020863470669606554123056826975191307938077004922147175881367134616639472811505172979789230552439758930265915774388427610470282746885067182436441179341264332683532638115192380349410881344076813815166220469823562633557214598578251433032241540808901988315613193917901836660051250441727633996525527401929315635513517149901507181281848934915588669883411173612789849002263589394694458076984888734466555671129268263658486387143543764462390174172086344871115356116434156550867379073409554030433605881567637743745670100970072629596051916837608160439619960161542276947631463625004005771734412878209127981770174531803586304814072500056778687143844649269041752350561416751166221063022250696341897710266006667246796186957919793486043710696015875873135226313522809044575984289941748677003183624186357899236843639867198580750740026615645199320837159055136034453490111255002699653181586733572871785988194230937514193995990648607838608280671413905210151677177821504263396910014019030945938415400469910599548413872448488263425131399886411347025346560693946565714091737614772748532999411850385427000434386589511169319012389793603302187242046852225912672880169251154637421346123027753136903737341863625221955068279396594806755411163588569846080786466912842979998347868559187188744698546412881028978746632386989399808311366227756824752117483832495770311373746535637888056402716098248849290236880886960917309434615672419614508492680699158777625429290296577937530128541947733944479472118997245169393515103801766763593454336635545043703870164663831908743966391950165798942361819332922828979043
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 2,010-digit prime (163 intermediate primes).

Certified number2,010-digit prime
Certificatedownload
Certificate chainshow step 24 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074502453 --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":1100000009074502453},"decimal":true,"detail":2}}'