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 #1100000009048725722 627 digits created 2026-08-05

Value

440321162603993150985613034573799275193193261994033136823089765024635470068144344638414807030074324066745138670237056858862208916111167020911978055196563368482470522430298901694632179552265453333031501979348310837628111692943784035923826056148583390220305028428606856454148990233059185884935443763416460726412297912939151949099005853195756218214161195954679072079191296981196615601241676955787907857346517322078425708017495024404410060538460626346240647957052352475503609809478456096471658474015342937207033225711848506339857309999954844354294800638937021070496810948898510583248018910956051186113107825932873266760068356391901
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,502-digit prime (119 intermediate primes).

Certified number1,502-digit prime
Certificatedownload
Certificate chainshow step 75 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048725722 --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":1100000009048725722},"decimal":true,"detail":2}}'