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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 #1100000009053809368 1,151 digits created 2026-08-07

Value

18182945371336675489322652085999929198882064120613073488167484763791503076103931415479336906305819490555578636513480619009869069609663406617598044348475284434559635471613991190064937494144444338392212781244001454542820120683666920774098989512607272116086679648709279752653338235736813160534209543974811208597611936403585301754328593735186983211329512312091800999480214719406724263969898021564013525498158443111251347591007431865910375685912745864481402565910424633390019698372166669190636683572119411891195988011037388450600823681515125682432170933851041039193968495753936875605410789658435691775371084708243136443533704688342278700354240757034382794668953089754724641070862243771193277297484769716144190751344770431370866718336192161574147813566791172502163570009440395186989104599685094780765430875389157880655700130368632297396632648398350008627673780679823082741479238019740763622182058574234297124303285116572790997911191092042054973059014921548319153478790565577263572296406122377332436295976842185672928841442816415310393909652510772226994745621690557596823485288237441696549038465821191591108775161855130794079239122211469989057312171077721767
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,205-digit prime (172 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 90 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053809368 --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":1100000009053809368},"decimal":true,"detail":2}}'