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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 #1100000009132755585 2,728 digits created 2026-09-03

Value

3253073759144793919261554072202743477316579434343732223878993193604094596743466425144054730515129018555428795580561907536079967456947530905063030243882189162605842561946734088384890371676593347481723026706465437656464082244416825539487825363128651009140950620477810816311049144453489976175838917739630834486657493003474625530951154836634131115391418746521451054656161901856366211397725681932897116989573436920989232629848719705355066416297698373019925879963951950232194733397607503334759155729042869351463996314552961026957875728646957653385140771759775473424606915949944132122581844190365829195312257687101638048786422764528996052279090842815814838443279852598632241069607193686003190646060143921665530538740889556811772860508709731661883967605785491970180908086057662076322321957805713676089491604604346633544948385762847650129156203354140223483208948549635566390632510476442525154241226956943613975940822226426662096831814828287304011773532865128316841176992419769915685915949971313251929397962077113341553977093566664413478770165124709841270834231852606829195364579477081732497167502268602738682579361234818720057070724377336974188581808303499866496923166046340185157352632551694151701018395968968629727640260162245268805141961275018436306263979435782480151647608598784567442845565579943189049708494897307651606605068473424443359844417695310026134616129859659004192280492369675264140091798174712377149314078338210146710500554171109269202994602355497447473671171559833903490987421829204111831341661375531755728164907041021774257466016422969957347457945813953445331284955213544611588942983378364539708895004623493519254999023643025562636847092268829554528460370803153202307048746901614259220228426292234143347852813007373281869906080143446598669248525195379537936404057800097771586046018624875640359581810867385588463963446579400172482333075404780782964680463557640481398783786539343821885856548021605075942841614828531994352884153195688981974127023142517534663790346399851230998440206036046965714337933320137742472056514528206869910316686305146042933648385491363306616091326850761475376757231766125745480493742949580405184341586036397552366571292267194123479275963742085444612089105280356340773572357886391239776861416200378401615455502001785038394032584779762555875675306141312815402402659870502653337200603504907282011522905655119501966917834642936373915551056196234923748861725285368444127785888503238488888130494060996533631982235067124929586083156070891771983790268277948659720514946831863003931729408681980450731583662937710946525611956703147978665618567615453415867396537188543675163050441046184965433057255389758126689123584853416968786404105890883146306090505234299690016278115112416058253625587687282320442618360209
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 3,186-digit prime (307 intermediate primes).

Certified number3,186-digit prime
Certificatedownload
Certificate chainshow step 41 of 307

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009132755585 --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":1100000009132755585},"decimal":true,"detail":2}}'