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 #1100000009090053604 900 digits created 2026-08-17

Value

986047229429967023925608464875152112886613771910055494598323553318808997854409810946611834531628751261544654142758910663519334492060839007903125802313825839547119970574109720454526591162326493949582271191295951832802806447522442065385397834727209314336021007332462483561397599961572086921650462033119590979896402203773639399605235796535726112205525843543034143711325299251478497733678513983475457594304603032117830226320421036352088527225025167023843670314620526924538608879205459769533048055362189308439959737236886123181074868296943293510155196297306768715238670243504152041954414988020028326246684199794067076454155528578318884272581147707655948454694206198423371840595369548367761929335830843271421275989019898303781172485618054788108165146413721723759049863352496779331059780413067257441254298092632002857535322005363491461385935031325523619136928945486923996094590890693228913249480222909973663
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,998-digit prime (160 intermediate primes).

Certified number1,998-digit prime
Certificatedownload
Certificate chainshow step 90 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009090053604 --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":1100000009090053604},"decimal":true,"detail":2}}'