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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 #1100000009036771986 2,511 digits created 2026-08-02

Value

149192435572486917930649904394267863450994034130649427858656944713378767145033925322495015353308575693487677080433999020770769545211334285993244157069441476803232862439876788382102297537061835206771367104096386592429632902148104247237763816236904893104174748124002603750337528182223054686087627692145521911937048758547152896718833711280962297779257828948424227988393924743960050310009641981241481067804822899069800668812129330549605157725890012871221500401861859590295014756893645172860098932928070389655695808011109345326353368910441557542973215347544888711663202121947101587065669578580283949366100943891367079349052279498598786181258158269167996764332348397938821822730799548345836157489516469515126194476727376356714521442259185632248327256788657584669365475913473551291822191128541214291712680184491715717471994852144459343829834150633352218602033522291951047177114655050160005195055388362458108358933672480263327131680978217273193561999054154607852095868430785569447571860414594725832809503475005651037693638660793116297080125783866629039453979784965696587998521898841953695776286155402862900445986590586448094678352185477244461669103716685420513839879572795920419612076307067674526158974266242878756298823190049587911176716417917059770974495537733755364388527957921127791792226386827896548499625592309775030456944015725652489339594758610083943524603514047345172947436929952644662968308091252688704133112567069389832352337503149899401171202892367290639307224090433379781507711537879837559375737151388468568531811944386082472956795847130415186679408428358038648122282358354700739195431047122577763400459214737269160856139103954908840287909919209198031514159372634408793294710519108535694029180495865277342491746411263327746270598479145283194495875645876799750858445081837367857551100177540220420369354167133064590496958984223834497202134222858321977135109148822369894792932017600701625442909452628950038249743724129857238891672980929564146198030335860818909826812549496589022545690827800242527349375183595647860838018230392921134902347620544867029699495857758903165884985495570527988077473227448557104052148034050825999246098166964375559964086154611934543146942736357704755978331669797182820781257963500812965378711709027011931966581066014995187424579727502798551212508964582129489954738467214901414658728662184264275818789036980162484364958203928921324743954910995260174731636278613038646844573470653920474948425381899295569766935407218949293166760192242335209717927686821206708227672279075098913805337649
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 19 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036771986 --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":1100000009036771986},"decimal":true,"detail":2}}'