factordbrpc · fdb
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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 #1100000009051642813 1,937 digits created 2026-08-07

Value

12887121225197416123050258919893895069530545076746998557836040993367257260799179579241749798245746139515603001257163355503708750001667767776795190979269104779376452155194765842265359398894775574381025705197681369244839986384784663620221700867249575515763681570639617925800353918612267278315381942538399171546593213969252909769401909442266254720953913868520319607819532924987010533376623076270860490025918991414439742173767415144883207513160909972655475197699412483934502922546349166835545399730782692612937485424301856793879328147712265019431688341752756338374051432085393019372872344022834822963685482496917829502984030197489780866786581665628612695936230662829063986344476610027868522379459653233773507119774762839900024455329901203055746741634980472690273726794616018651114112921209622098542570948765309848666212387448230778778181029136639253259709004306587412055483138308028738859816419193352187035246757018334393295223507706008274673665748677479708251012067017045897980579001941686688913883691205571788282912883569131618722430422497126467209404003126084952470523122349521692099899592334016731270435391746158619311882038636703823885023582415566580281689190693858748558596296883725103516045712308586432833386719712533422825875244049913214447404593869700650119575059515658000002773193860898600406583423379762982968946752768447574514421923087166964279279832564603819298446392260143162108544741753290935764521768330388633190996077345593750386914407978598718907848491936059432963095915753840430654387734171052799034636368069373162695327924672285274675876365900447748958965689629904508085976379407320382882937812024082332206796148160137789311306731073382224285870547192736944693653300949033255105904460223787675783051695330827899301927570898831821625280061409174316205442093420817890625160349716597637994884463172582646656365852196348613923970976198997164214097614254791651840330056450916958473621450474887225380877026629544399021262333549
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 63 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051642813 --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":1100000009051642813},"decimal":true,"detail":2}}'