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 #1100000009086009186 1,526 digits created 2026-08-15

Value

20618193217927641590792874633197936305946374294228681975838568554002902730138629386951335163199551590503053954946747316351554582535789375191277231098048189490587814872628674394806876519117782182339425787653030224324088097244101085014170718370385008328073345692001061744029649918792620552847823253462005269059700192968953361630917939468532675021436697573510834291477044538708643269935725218232806906625063506923754244362354783678574899874137268421650806472315519707569826231751834411571487846274776853123791413715616305343105628568401419744801905039619284536432751083498590106002157016010053057274086265789777208443010984315287317608970002782016705470833675374715169321382451322934646273380800400610195119193104924018314109130010312071649302020753372954027153788194609339531406738653462860988785898276511733310415015096823553948623328274006429523810251705705359429311297477258632790623977778723634222251244624030095422384030266236533998388758960401962427932175153277609610903016282415072116704491611418763989801917236598331140863403341929939155362051828998128435229470993120587904282383076706625363481687041687909630960167583357878730476897379238923023382604727372588296262149692885828355357120909308352801749152554530538279232320856768835911412902236690376738684593079565051957499647250875831085246826644931948193009428519557688841656285031702433414586883085850393690085345566451892798318107217561747843522986988528609098386477328698053583917259804254853392731843947177060966477230552380547387158207576926852168171211575050331
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,964-digit prime (154 intermediate primes).

Certified number1,964-digit prime
Certificatedownload
Certificate chainshow step 39 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009086009186 --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":1100000009086009186},"decimal":true,"detail":2}}'