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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 #1100000009061157158 1,860 digits created 2026-08-09

Value

299182537688688056207741017159907148914588081358707434013133376270734370039565681171662121272005516251027146044907099012634103976882111024725109350523946418093674776842946547098180435982495806520180107793603072916756591630562897279753690251659844376125830126690125926440994454250459814457491929475380950254379859782909535022153099482483449108841403216651287026663919993308011328193278725633971765101101154807083372477601654919517348975978183572922346911171372385723506940140362793567543717587201321195741692312218355386041670779832164919457676351505305094579064196048267123732135181278678222120072268392299092509272773733588948148933264372180934538356704476137505766066283121545130403794932633924779561787318677922163921654018623011945112938182977748189807403838502513265435381556800559237105016480829017734428356539867577595279478957636703652992065203642098590335875201369131680016720618635376903115225283275675144081745045976629687879816747574763404972607492407374217565781448168373670866240178014128744937191326933944472935318868213058895632684233955337168668027416323525217825711761538518792015659210957577616152787300514105881984928615134821575351460700568829797445837577209581899667851249448470525080185051432316634942814315477806168227148272652085812801718222098090807009786513556822374441263220801887587707685326866081245435886945955564865583191140090162606770663793258770462714470882826535555803675645688006995142759342903509124872069096164987260332209757599145704049318131538553442300322410644791185506385202963059494918198660860206897169863426321529022441744095273664627100362983132817380905552030546327326263326435532929541298400542232360749867588536308304230373447882513695131428920603314061299190784756924595115909819285779472055714125644660732941508843073372177697830850516900270160871270519721226979410252198306082151109289556462507905962039861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 2,371-digit prime (183 intermediate primes).

Certified number2,371-digit prime
Certificatedownload
Certificate chainshow step 42 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061157158 --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":1100000009061157158},"decimal":true,"detail":2}}'