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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 #1100000008674994889 2,807 digits created 2026-03-09

Value

41631985165656667949258010651486520211127071589047193265519621142964562915094435872117816106275788049959507220107880142914419175690506502116756169507003705557052966620407085414573082972504218931590828421102330120206401654160666499275914235257100281975810567524052001078383342114117939481005077747820663880962865102593036516802765686883666718155889912159932788537442454986599587891216165275746924236719104469119731298239522556100467424379862302442492861679545852636812008635958389040227505187124786339828370028112243671418999417221850785520781378167934397596947197009155852693193327092466183693972631426507093390376201250467389741851862153395526384879851505384946632060069011507369971527076964562619561524813950628943663320287142463003335234061900272856094650046876300997886873654160911905359384663464774040626296983038506754325229554592097979725698246967301313651256078574559680020718114965954677495702034602473178347051490113946385472654195177641652433292792898353679201274162281422113868897432819818473928273796172288014823051286372409599403313632876309570646524416193563307258651716400578500279423157679459693506140582836667670653782258770292476338866685572169202562765109317889634571287916064912664877891895104908883927731794919677765672595966771656024553625721830303485345162131162973690466693257599117156586646969026777038679731923290936766353550202610103627692977795753543220895165761645555229819690355642627041895103120435967143314571444738422255495740698129951022868435730807324425291367028457434096414825528618756341872337096375208169888036492101265192730277786874837236737890827376696771123881409772847498722955940643913138461759446502833018908514928272805984863256769513338557996979198051049130528708988344786792778855874343406392683342663042436786374674835111221789864362778899230439161626964804679762971968527006996163425762420621159987373604265907526623364487215691133646006015231008813343208583107272755664446583444029598549824166106060926049672643833647140078970196387685906418674488873582937461403711038905947503750363949877835766800128823889458535073643988195100279612922675514948388000758715728024921911698591188752413593743778591906445944132121934996497261255296084267287423984898211901511839568256283129379375663126458566550238804825850022298583628628164915036151798657307824153195553515255415099533476953034182048618773951847897492412528712970500997540522705411643533920894549908545301219287239569983947991013249659535761818376058204144914641680572819669510255354134880573631788885754122060719483993571537339704010591382547426157709114049370505283885279306082883209117953511370864245865985040044589768243924822025125225007790060419740542873036194130085505617353930396518071860591210753998459033267582878771674640202085905698740618645095859200680515471344059120709245128860657114355147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 2,984-digit prime (185 intermediate primes).

Certified number2,984-digit prime
Certificatedownload
Certificate chainshow step 11 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674994889 --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":1100000008674994889},"decimal":true,"detail":2}}'