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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 #1100000009059673070 2,497 digits created 2026-08-09

Value

6837112621682731185978673544179637210485092730104989463758197293444394731277066556348835222649954669911399817319211108078948844417143730210670338709346960628754825788214685233477688570693798963636794820976199894802489257236350852350088559523252948522278891508033945917126414504564192394378709938932521400363898884026368266055829217119871297729027615384784854250847539584831670528945802731374379041992174935062242563039144761801959172294460392175368631226791842752918601360634804564736635347692038826479331733343790080689621165253651603820771294637360895128805562833421467564015627751910197797384022951922123907608264052199227108405326486525017363266179978932510838239412112646720875204797673981874369276781821355991065394304318683298448784573494310050141938444334578223370653451051619398669217949369344859241062237725592918562339220890032294270351430592758762536198231983067194433345630600937155071095906865253696966850598689090587223369264175918272763940939921372283733084991035034422296697300613700587428323893464229822654723888758494297075322091982274914322516580392385379462283623168950624889222527126737663399554964460741169275915003697139923465199342270676909494915495344167439466670749700444933963038901501181217372812623714121845802369882479418216325653507848953660782412347545960529775344102243953166701242716612617360194604176032934681197216088045440546972192299652295890228391157766904039104204628367930223790175857638820364571746627292128214806462494669336417122572587850414333398566615903796864948838478610690947430334843181469190425474315421072523935777681265856655563101522017258296668908489390827888572678698707516993336587541813231922960099266900759781039997060134161686652315477608001827662041759248862775360408925804390967957861683568952493005955953102463733461697804936156782988181921408896616798884872819765308628900805763674247288222003270519263011976729893499202752648865022700669136733661909005951696280616479965027497693933688721849889551632774833232592264585863500886586301029729786663483659662747237633879977536224417018342068648706585554177275540056135925985140742263104048837144940414336560768697859717240674171318219021670172651569195480939937737619139935392046285454200222978047934876026384312715620380282561815230308241709550464143200845190096147474290006685965587040088242991207705390181416608015243059534074358692858403909782129459189855779949896306638099053073661489844718308719237962031251049302095365033826719228740121356261797365509176473387114789103602811819
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 6 of the certificate chain of a 2,555-digit prime (187 intermediate primes).

Certified number2,555-digit prime
Certificatedownload
Certificate chainshow step 6 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059673070 --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":1100000009059673070},"decimal":true,"detail":2}}'