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 #1100000009057763749 485 digits created 2026-08-08

Value

40438970476850983896006905168725271794336653589066430443576695442686695420530997713997430946356833800877283959227878614911584861539619852139493337228799806252418296998165324784335097072289657766360536094281705763205832277070940610095486906863508605412107130697175254021396903026003027861502210012887972068905042394502897327436627768972442809226307176721176424691962288164061217312664931288296876693133860347943297352441836509334536549127838267228788276141633057627847292425621273602241
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 1,673-digit prime (135 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 99 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057763749 --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":1100000009057763749},"decimal":true,"detail":2}}'