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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 #1100000009123068215 2,905 digits created 2026-08-30

Value

9127392295197690503887865585874646704691782857382047047250985383035900054649186105114537607021985900387327468634757855113140755841184300964163251703368391695387000971004085192082610150999653513931340061233491596872690814250178667321999377298782430625501062945538322685281360092376910193507142938614646581988024476658306243701253031014127105616112601080981166415580881589928247281046608702041271274221817505879559790216574676440750558833294973160887596059884767935564006267263426752287526756632398994463259804572632337982311601386582171537754100597050398976400697093711879853583959787556069477216974046697131067692360623579729116418835456472727509530313293888430030153900759797944338460336521090866763993525898228726481455564816118541888745155509346641405015439505543739893267287351266966064070193850807603368498539579562719762067893758156767006301828770464915599001260797501403854556402031566858055714766157860786241494326506833675300998367370264569958788796001567584151258561269543701413108736638123281845558847697471229378093698681005983167414384931349958633526545671862151907916159409895421595190762863258940718496142221194883652046245215169216715638803964778617095860627001710735412724191191966919515438316031049317038680512143081818800521622143743981594620693264599632539321698229846699790194952561407054354712308029837415486039741243298180233891322741411341349340919133617129579711681184696263410149114742330508436806256434089557326778548057007846413831735525185661673275813573034045248807830322329065004920602405650647567091132951402909820401715571334581221432519289270829532801290449057772001768670805503223065375928593163145020070713508314150128294104073041593833597963164983423525919400615943959199366028984363345065325256029428895768141243711428367048188843933241781675632672029892309823577565456790793289995683970450693713146808044776417968005576922643294240225576472383172001460755656620518706228082390448438183840125024020107594888028536776525374664118853902694973256277878271800155508809489286440504256307920715828747757679165305403902480758448094767525498504734768429119574450266403515706013893624319368836121794814059068029829234530908122563121880305470378407309756726468703373240514004937386896998925597602285781307669231926174828275223411929392091219289533886341913984683908103174828023346244474798909848019087960090497601816542371297811605382852332279378116258630601738749026464339903388497382434770225821468955005805858269230056671255831404016897539563053769546645804982229680837537390108906061961456310603088865304010919410561991224381436455035655293713042555517031514088495923251609903979960162190066299204904562213549570277053479227455366807519876001277600858684279651778854139840682598996945275882126442403764453091171221676769057623548563613330862795237851688286194208886354999184297069112023821648470158153670494072489824946774327937182412612543321266742281517358169131356961699
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 14 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123068215 --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":1100000009123068215},"decimal":true,"detail":2}}'