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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 #1100000009106881713 2,845 digits created 2026-08-25

Value

1091506004667396801425235492569376111165044575779138955841409543737337616350613446820758402814007861087799852198963682157278004757673301078839887209569974139176998048813869137239576326320748348695300539680273039974994613909912224985595097528190828215252704120233897907696258486422361213602342911784563744623152617450150364196527477523943459386809881693412468685144491522850181006888326458567959220767286483552216823364503892926823068085841607862000843196123220240736368777918991548514511204178488570503114248652156317381753931249101030944099434923141498726087136789223306002838224453669391067794441054586375949460292899537244076438931936404602299503379290370223427232139599331724722300819741252689204317032258474080261318480382057457392552933496831747825245460018869431121818420635149137112806440989967635329169966010053471185368958513136501434109345976030791611803394447051963378312972782291318697504524878303850702259431001266456507975180827541632853932669122940479615950309979474836044479781936133292436317430751886807508242465586543179334949692621534914137898497574982041085668565481865746198690940326384107957465555358407784805159028319224700516999788482668915439810903079092462368596402812002485828969368791282983670872045578706097992106536104118781678660330814407312799449447519293154650104769177528259185261608073417685830310491668691414691215656541125420577302552349310956837794364783722072047876074165812420321026432798629079263176006665955641709622656185209024975408797706669516985701171687031963775451202095458438311027730035206248809540386413248737281234755495500753780480397797888799142345784904421346254686305484641798995863325899815790956331971999307055070256153628164932320621357219767278514976935189151233501433079321038436729051637641013609937748369922007357650534240084291716971906660238287141327217882241954076460136520253354783410417145693158163254503510341548340254949633553603574584457445255615267817683416022626987281076102773817611359867217573589020686109865841183828386752051469852969452524379200978897897671450145939553467828385471575284916805734782125826947481438704643709576364258805574389246674103795050115857932250091017831596441564869651580259935550719967457856830287579020197052861697253690207027909601830004840743463840021572675306112660352655067320478274388644020097499641731199197074928201999900978871133660881015012221103448694327779531479805058845213049092157430299689651097684836500458731201841448830068090242031668073995317285680173968364895296179391625959946624194005988865216505791180520161545518208358642323009804350850659213074617418217016662463882378023197223751051015639643487400500518001962170083489853898006527445037347506675908903628331097638361235474914462098486059334061848612472143064432075074210941475354204727618194530001918208224682031836458580458926801515134760814909507614530629990465217
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 2,996-digit prime (229 intermediate primes).

Certified number2,996-digit prime
Certificatedownload
Certificate chainshow step 12 of 229

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009106881713 --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":1100000009106881713},"decimal":true,"detail":2}}'