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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 #1100000009132969123 2,560 digits created 2026-09-03

Value

1016855805054564616595446429119547307887539005073923178268865602963656188575800458334545345011781295456571467022927097147287723950735173291147037318967643637780714250633168806066971378500719807856159952328480775878383019921060775133706571616658858803728337767614507835129031026690911835850114624413483152968741854618032447222785171366368322617305415421016111590165322124000979167265767399284843950105886537282976864381399421103667640774009442883630611502514272961143278298227840126272210835924061624380924880356101661365327718782520026334623621817778908144162133336589250672519702259563756410683194558261435630636093812565811480936746029342564041226156887117310677159587653043143766798068965371701310778752052306500072778857400462614366053537549310068500705185333467548504049947373119095126924931914761553456930516960607862192407995386956736418070754857379216621771340518787017484421163594074261125346269186557986459398394240034379353668868235058770985658278119130466080052141458487483453827152679503482144733126499792865045210756555013555314943360840587120574068277877821897670236676637532656415479671580456853670318751151798872785759661153151264374144711373862448911879292374959415845585041426307118728964192046147490176602382446532192297690299363640137157275447829923028928172565467090489428919867305714516845101032076888339268309448417482266517346998452203980520735335368276526178743924781922607560190029142780200967976686490868031590965331255267757913190808557567314306812298891317251113932478942651765441958166628843734011124029998205603787740858011810479296725559310139061665502916969660801846527950471365202413920182632761247926969051898938941621524535546770995019807313200535580597983970320055694179940508867435470094765740594833757541442172410027047717539895213432342652100191034471088304032267764139071439536095218278442987923189104039155603230432823419763635866738419526336353245706177586234297058041453447028061334461736538706569632182065735529679390826190464856479128683680136879145629348284656622147537269678233431414118241278109352972843201308371223961960666553481668710419635989399497721755520785801051666520182158616532410394529821808543556298536873836101748824307611108142231982013743711406366029831441925703762762581778852443122842360162893518943524863428618362651220291968554364367994420926331157501160496693109343615122198835219138235144081607757178097749007870097091908664194506034649110119135002775415727291389250316571685579607258153395932762397542993809948293619377540523090995425777365261519759164880881283674058936113313045843002143
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 3,174-digit prime (323 intermediate primes).

Certified number3,174-digit prime
Certificatedownload
Certificate chainshow step 60 of 323

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009132969123 --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":1100000009132969123},"decimal":true,"detail":2}}'