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 #1100000008787409405 2,811 digits created 2026-05-03

Value

651542848573945596594201613203126651775738371056721660667693214852075648519890160468264267244083875249413805451218689320877321091732462453954013415612322285908648018447800356991392714059629156792600145748026772690070379876116429493721610663310364424611486807991141393299168721136563142647658167824124273780735880457923822715767751805900952982280899239701333303626087344451426415736448172435887023540779392004603668798092752847750831121776988990770673604581877758021488971189827063974931193707864041817620498040633371534871528027902759009191502639394976834887471970937679265418699524080305574683637055257667673861893741963970462374204664915583604890505367869501360502556951831355403501585302166707436516278911751351669635029227934611812927275202322390317170599446906185544179442884651155219218529464252509510549605750743896098627498725674302057354495311993370173656792480779392778533784577424433483035361799905879979461910409510875340031694404805808309094868780060805803222242358706333032942748106932439104632641215702667023647931617237065046350821179996380101063678525505922527297519301484501959337783413440703668635458446837653359613168534593632843450712748583612759774659125786311196383005787852653007040048652527736351661012986114021499175872260686844983467859176775573745552344672240608727021291397034823937693065688128133714101806851734945858369834261448770360028205114147969259741311723872541842346488896130388495764201658512903752904535765019094763927501442505802908992155490091719739650020206824628888031198445733437840276732315168028665302737123462105567095532712391204046280923339386246465324042043582363518657660992384607954959588428529460024188158534889154020640925875028218337082947795813945062255237082691653141718974849071946177981925955725213586115683274844658052322380390181323746691247183355518022593865102231873490844840927631658555231082487332253862480068498993099697898391115575429889538057190255183198126892038021874528561945023552826261429431718954018239986762250257905543521216594903150835168717396724141277104575239737424825225484073179858288198907439065782876793174189565487738668151729675152512060786115123089432504818379681006062021871579433616372780423802212122201751811080918700846648362270606327850044885799690573126555580522517688853575304152843134921265228772547565681142873626146940162254453299459138291415588255419548314111495844711506147318390987090515474237326140629044037046468072710534248810767248497544955019038689380875755327368396105134813498034864208089595692952544125435396326604144249304707494735023011281655308525036094212463774759920033606502512936616807445589304908747610806245244403913542048982094029206114883046211567509264488789836948741853487558028045240788255015962984751987965217080247325712656850501493823978815537083187368348195408743364362990186585312161
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 3,261-digit prime (192 intermediate primes).

Certified number3,261-digit prime
Certificatedownload
Certificate chainshow step 27 of 192

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008787409405 --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":1100000008787409405},"decimal":true,"detail":2}}'