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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 #1100000009059039806 1,835 digits created 2026-08-09

Value

30827127179563055303755538701804595640446912180647890999028755004173337724979269936225531435687301856852841076988163177613636039661079940333371907621202608734079401676076805812943569810124907431516502197766638607387839378177297549251780302371281135785691067875868354165964976633899771199404069403442697368524385897845111762055951307932168748843054120379431288581804056034923811367800232362696013661593301244597402935773299677426565434930784701941215425682492941404515635820154271110775559464667340239338268780022170281998085987902471917893053689542899848795527793068302226117888554094282739973791326584847442184542993476459538394515708124767651226903684616708792280272022622583141140122610489091777459232434244071267016841259859605307034986973887833873662126959814722858939338132337188620994537137380818679021460803871719014655449234862968278897188348191280425368812002925020670284180372155775053753158672461146014659907216327157723749711162983844575022854068546165177395193612322149522360490498120024735380929170880470840460035364511426220149080121751010639493334842343084608045057934922918420976566016626258693258115117839067931188365162190557873977907952186877109474301837473341843314236000776709337894024648423740063307284403704785926153438002049770184631285039764454705677842716007963748586419827812152277578400644023029267080138129681422756580512098781211235604870845223722069182771042861354793134381404203857640230998094752482345735842658589744271036285166421922738321590939803263089739315901946886292330381405144443957016846477032677665237047291408720829419812191440776826655225530685749029781027320015659015558169175876654615989260233422910951565774066746645564791769275839108478780818909219564424062156161200424066834952106939655264118508881710729277159071610149353372512898763525198176130331284291613249205140112352606597929
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 35 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059039806 --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":1100000009059039806},"decimal":true,"detail":2}}'