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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 #1100000009077935522 1,810 digits created 2026-08-12

Value

4220684859448214316213696999495865384632480553063111052653976271168416593497903247873969536047572530619229824776681149271249697269041755290358417679532469281884691887685926626381607148209720488481094531060542411998919589429446981347046384300139577227146269440915223102289563048207680860358742685637122313915787962536129482746998864779860022024814105484344874621408089962688730348238341694917372971020536991098942346468029692764020732704820793834772484512526497700287110387189530105768671131116326573461742005348349057466809287397824895330646531249621718846504746138706179525027807708639248366777158275487488954408239983722028196016364989616248219638576298299909438787511550923968411051441490703117389728615314334128453949976218013272820919452671074071460451048354708401094409084230386952784366657037287817075105677559288518008579678490138383791792866949262869387450571635894694173890340924404172685361676270128941597553125450071171599343356613497037131799992313993265279526038005734807809924343565248047040032011037384198750658665943885753370882824422084821247528512012056591942218540405227339395762942737120943014848363393553686169762502799446483260958044542076574029398036752245369023206266066229162052981868430737604332318066533947866455189227882456140866310694938948404309815157529866246725522310309547161612218088841203331396277187758962596638559007059577223911152262753500399270319276919972246265925934817983351409130838381828583559657669781062644087978128783797193848947185312740561233301639123731467800303551976048963302255486271325303443757258515802459459448947693208977016173914456432720340779334361545852921708416142174461972136473622613789839093561948117168187892595776011385251528065946516112840125918836719018916572901643706083541899317613097101453954644181859234507626289418508057899968494398999
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,026-digit prime (151 intermediate primes).

Certified number2,026-digit prime
Certificatedownload
Certificate chainshow step 18 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077935522 --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":1100000009077935522},"decimal":true,"detail":2}}'