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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 #1100000009059673277 2,178 digits created 2026-08-09

Value

189755895293433947892948794475107753933612488827407423073154999595238096689371829383412811588241519233907221021907200342650912431453419628385819513559960443175713627585124922442606020342117779864651104091234812618003823240470055885428761811218478936251649869407776848011237998135169623254532433075290750866218423510161015302372830300360814096109750532579873390350322545614009900427801421346577948027067490910388855516898384226847002386304431591121039263587547733777044598169456617530712229773673404480655705037905250264510207049166300370297392577872727321863715880123098223249518527399155308083942170129720682547960734946689512844208087295589537326528131269931282251594547120939068847480392671161625896246554019188835692622548830863709208814141258672356419900647422171876065835955978015758895394229772404153858799833862149802038453896742679145560839762495969967580978257456207251959931151553366418908948865387107939184099302366635218701782163277195528100506113127238793944929091683871485295490076669445733877753038824684342317243708935708839651428984435318420469042181669559469983816292000035138342557668921935010961296470486154410624798094720810609470621039993053843543674707672655708229871045671409498168624448999172869438614920843765806225571225143198150256212098535093559993496580698328851149559301531043991346537213176189093717428103279732205835956867922170072572435184214613722309785670974322978390888970284808817496087981895859799363047967179883014487410347546953647370374418083921051566829818817715671451339095167696952979683716266732591114680684012810880990783590916953774856473304896564202497809563111754698788175739251617194457060192244300180260347859282187194224913498863588972207728666767914352847282519425079080811231123004788394811688552893542519962212792674802206834228527780307423661727561195569814269861829481819761983367768798571026797394080755935663521574753427596395933948027701948494402298969326170113859298563549809163431701995868545810185181212602730505905479807702760553276414031462200918188359103942584353562520234288437183520195337047833168251798378443736340937026085846050617265561041262616519627103909839061294080598940842124747510327918495567502433
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 2,555-digit prime (187 intermediate primes).

Certified number2,555-digit prime
Certificatedownload
Certificate chainshow step 29 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059673277 --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":1100000009059673277},"decimal":true,"detail":2}}'