factordbrpc · fdb
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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 #1100000009018793388 828 digits created 2026-07-29

Value

623923106623922793444341440481291241044322591199701545582812902079987452724183946987092643777360031430441419821505017499969238288929390883767170122065716901374899098626461792524002832742105253683370702653547420009795770381140279929382012231316855956240012934353873758482278800849520457306184978912407435980282337506787133358989276765908406145846236532452097249339632885386574589289069043939960294309207481490049592014454182697423732635491502988458246138016814288921489237819514964241332725143331246727777493172372288050984462035458522573286347729918513365898912544654461935326429215545287913072542579080463110347877950847224868327392797214989115985667985822824168334234336051355258701037068248421249879384319175614108430349508751513128761236918079102734657425023879847995818213322686748839662020588623140667383747591469809338261
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,024-digit prime (66 intermediate primes).

Certified number1,024-digit prime
Certificatedownload
Certificate chainshow step 14 of 66

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018793388 --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":1100000009018793388},"decimal":true,"detail":2}}'