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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 #1100000009123004851 2,493 digits created 2026-08-30

Value

587546345185809921906581535255092078932280866254448225741101384579549055691989810241714414988681553308745133724764832560425428367896361449498966523907353179325316553713462880306313121145079170231008672958439704379741907915854736563346763163665735963118454254505467457546447521091358928674302062768928870377826680394019106180986053442195704493806934211156007369615734841153220867860522433789596861762721758780024459912212333001758511217936369836528491680784626985488201919619844847618834796849420895300480946376240469616413739512954302680032517837850162180482627110244694088846868686822719960534137769232617339237220675037376907179433879141820240456328302587478818096267588260674103261854515284612846992871658773251755107116745449692615331716465223737961566157600428136058607517146606147127238645013095216867593312587787868967593142498518614413934658736444868332715011690875971183543192757275383086876814303276386846191204063461229603695812507476654959269464658887218126013982717797392285856275693038315125037582775448947506734941357282131443286038140873599282457774156046865088974413551029237983643790539985282337082265858926303940088248404761626994038602965171358805258501047200993595200027449806568229721852857596554970607694130500178806431443528247649851222322552576376640527822628609084787982742808225561219093370105958168247202820496369571909558026376167640574321059092586471813728172663254852153085603108190705508778458207662608404160377934953158525936582852082388032764239919817273040703537132491117918965934035196479833366311320630365233083034152600949975315041228645686228567621598043497385126008062648634343663941110957080573622697997826290161279701179551890895424990554409885558079257344855677016904790893881480883762209633706743486967412577464197097939461514449497359440236314672864262934253862332651104341767711541133122841132435887706409896381996464045402645948435848357593666329804125854992321739204663525163508889205450273523158398986728610714058961876217256716968171722997340474408939027889635255446324143811448815551859824711451922703586777268339815261253547804729961998821529648725201512356833555143888034850031763615409202585732437064011290743297976176566024833844597571016664149687907365736156565531885327162086583613494740769995967013314449508386877239481502013184035392365364491416465425002211334514255884211606980964581464537078516758486326703670843795823300795999644355233261236610621518712298657642174337818710544457875431201356430487976515777831602150399572117600483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 3,053-digit prime (315 intermediate primes).

Certified number3,053-digit prime
Certificatedownload
Certificate chainshow step 54 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123004851 --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":1100000009123004851},"decimal":true,"detail":2}}'