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 #1100000009063550440 1,961 digits created 2026-08-09

Value

28734503038037013248264596186956377886295636401402036494318380188874904273449434985337763350201404561669829184762923571844556895175042070159971007433206234767909823133249810314378168625265363569328450884889423690339599693602967007197135195109142398363209636700477746445253223012781735836653238625702210913308359596411590602286340225199848405749404304789534844118906351499341250933290238222751532255697393755268936853787741576139722617457825249287033202909350440336665056022265941806881835963573717697081703646201199562924268743756757602245679640960553380480655685075530732302756886874318520893858827912556516825178206184963717774373631696841002065226640837397113170319526796514691649596741178184598151445579937343482613327015648495898449097778548061330699280306462458647915008288937705411157803433665710445375349176573654158050765569500125987991261208375667657971539374591557701419304088035566368523862153885191615180184145463563523148290329901150148692037864572836186031629428138725450227525759865537071986727261426704541895357671149041683883196918008772739960655721113818587296115689842521392912255353764987049322727064671027992119148260713473524947309328956475533148212810425073734569526063445619693842272069587962683213637662810393686350764187258168414194362369240185494308311171582065004894855858733452860154814856109630564483038299817004062842335612522011280099558385289200860551243898621466541879365602405536926201320962387633505050706098976068122946821546302022431481902134966752522471662429543658991323485568782679991082797516018471675927002040601389135098575073522587206728452539275575748373289524033429513912793335376454632770035659544469728375974044868524303597807569573248881366778872841916553148842506808763091284936761463094452565660725579885322658084761511065403694377956603250049341984887404590538271500032870441961832868269122375275634678838157732398156651102686332190614517763388191326851137439203009153359643872469676819748419378118298266601
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 2,626-digit prime (196 intermediate primes).

Certified number2,626-digit prime
Certificatedownload
Certificate chainshow step 49 of 196

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063550440 --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":1100000009063550440},"decimal":true,"detail":2}}'