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 #1100000009028769842 914 digits created 2026-07-31

Value

16162364013949068871029383203114330800754429735849436639945811530150185662318278587045417304150125093278545310121252652592681531122232762301264933458756115152543308222943745884911038371378852735737641082210114742598624309116813112011931684741781566968178300330984208798796216074508698108284538868440448376613253453385990676217125369046447715099826183935674952870605445582071397495513567167125847769036354782917804732765045981132166295469281315416888878585973642566724343151022393840255360922425409593850531742668370464534890887269718236080650943283636729565374213924307523626024740088826761237100508031636843145470216649061210530969506604595775354613386103360388821092806795544086707383041237885989179272035218125588574263046552476140547174799244821622118433758751225838913704049817794375097325766592976918069765068325797185709439696482940792635075383339189324352181423883011224219667604854198003878343270263567647
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,221-digit prime (94 intermediate primes).

Certified number1,221-digit prime
Certificatedownload
Certificate chainshow step 26 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028769842 --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":1100000009028769842},"decimal":true,"detail":2}}'