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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 #1100000009080352610 1,243 digits created 2026-08-13

Value

5583198343519927073451851632099583022921421834786325786750067925480074436710958673834195529837602235748089215222177213561523598782063032708451216864943309260932051282344695320013503184223740779417584812224476168425030687470144531831117874214824370416630128226195196506629485135274776292400804935115972931306004300500155178158843757113845562338844166957949987692659579780212425395971092035321371828231683744172329871966417048413207322960481789512553188678271657558615534729034934607931270534690521601147925535075560826835957920136239466159697667071759865240808345540043796929708739830375475069568440159444098599895830707083746050142799517332778299320971455939424831042337460694018591564852377993316634909537090488999782633002922369697901382873117476261604916032919801723763623721707729421565013582888718608561643278655994810586338624362521899115890783875236906720158583770672211667481995952944253966895810544863224227540961916457327185947247962188917433738363286818279748465742822993948953354854407401885928211595275704421811887872418143095800202581460433193059550703406016459644310272323679130686667799749229568080192622341168762513456805029985839074821736412328164584167215539749382472140806545230595248836663996421428832872718364644116055411
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 1,919-digit prime (149 intermediate primes).

Certified number1,919-digit prime
Certificatedownload
Certificate chainshow step 54 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080352610 --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":1100000009080352610},"decimal":true,"detail":2}}'