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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 #1100000009066939151 1,575 digits created 2026-08-10

Value

210133513924541019904768255706812460980668116892659222414458531365540872361520820368792716101042309725240038756343484379826173184326762642318009689868124578890321568783382248386686247388162942400626146228310570023605854830438387679321669491580887014073514059844735897398269026318897441513529703113216640677874215619973273595656631804366389589565195570021419536994768685952217086308140017265219373003874772682165308749321733730424464945725421136020035157985626731154666996017010365424433020640114178020990032674927032908035431667003507862429909857226350987639621500448468039046601814914673357206869902949423791725785051169436455905742721988414848338504631746248931979760905981624471527887138842627643417468856018428960504652880800109485165478352902978670773761679737422675291232436736930661405955137750562131447591630964041717201901004696673097566308205349910742590574663105003485198269272380146037849174016684017938955188169370147060563783577334294630455853867374163936086559352012516662028471612762540270743623957268039671905669079032510317955179397328305875616756882892644182940403677963078166101852137524651022558067674398977984333934357357823926828166592305986086233592125293066187330533303662655246955700788698741314159133876357555517443448151366387955535438401899938855429723175013738861124794295002064013514743115924367329443642906631283482000179418045132571805122018369132220820654522821055642390046091660049840756030184550671937235940493852385305980529521019816226800453293713356977906139315893311795101249854582535958934417872251837598165313696415551111217780464189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,727-digit prime (135 intermediate primes).

Certified number1,727-digit prime
Certificatedownload
Certificate chainshow step 14 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066939151 --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":1100000009066939151},"decimal":true,"detail":2}}'