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 #1100000009057285233 1,950 digits created 2026-08-08

Value

248680225739775760629085879357925695071419267599994168997058132620082605973216289524945258956406259149551344926091079836055816301625756263552898479231206679030219401999490283660742988459803278496834044127226564679948465659516287784804302782562893395674952811764089794531656420374019974578802018615911442582126745856249632994335418065778827344114966071843630533801178439329783578255561381728699580828407300576912868144818839727403432469424073144202166150834415363011705660854833420745431324679245138022998365657769992170472702164364530858858902499855921211006674491392220865941143091556783040246691477051898599449460904691053088587515293088748687193887303224637505585312255928385075215344353036894382089717924153968353533583981437964822273662793388071126653364191402367797396020544361374102639294339181018752209153471493904042756903617642950494190492664762023180547398809448283931056684994381893250216618280138872160582464352277854651819809813433354017578338456143965285613477775705201861441885707523044249809386524165234277371515440461179118969711044654946273272918494512879521265131975036853733448806393018993135936796436117502310476401088319686089461847189656629104726859128174054206831645014028263368427657869984714291230063159198031818343255332215894128602764542852275059556529298540367841349689730229453752292511011838650645840669117746027782926757035103753002793959305526942824260304986047759758855333996223386015102114832610591115291444094966211512305999735695372473412157540638669166041962268024771200503438552330541074749026685789408100518211546709197522845882993634471784528705465478576647050364448425015206353623779207979516389468877655341743253283997897805810299816854143264507584299827292684857267872520761038964712970635474285749118170781672696852859304894839465033593581417975587108030004816825818891628947910081484514133858605184321406036663788431958825982324895271847304818147260353394752449855916093849112458948532732029407396117497
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 2,542-digit prime (187 intermediate primes).

Certified number2,542-digit prime
Certificatedownload
Certificate chainshow step 43 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057285233 --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":1100000009057285233},"decimal":true,"detail":2}}'