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 #1100000009041818357 728 digits created 2026-08-03

Value

19992376063895039048638528545515722038534701499676555288321021095566833582389119519796273200771786563442121947228458479650838138735559824933766124392457008703333829099692273057665302361612717578063415580168579140761646046623297248259923778149824509715183748909941924280402821173626255008799832155303585034727106666831112095474759992066011815465896877229736532732657124442427968053985471156964335469074379034881886578197959851415621844391326283276895799575651217882294512426676242367283638718125729551496146533965732528496990023579353487748342168743324858758856844666108580765316873401117148515276408944283307702884628248945101519887017606592217509098727275250634376966570316257795789424292624253497923889526296315097790864642467
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 1,302-digit prime (104 intermediate primes).

Certified number1,302-digit prime
Certificatedownload
Certificate chainshow step 44 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009041818357 --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":1100000009041818357},"decimal":true,"detail":2}}'