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 #1100000008684836476 2,516 digits created 2026-03-14

Value

18681703986026069902637727237008382598591808099163193791467915454978697063327830323114847916003305101109797513435187177528746225806278112753288231826086835824500517278203061918326325982900943413549680707038089160186603441423811788435455740124397178680305701212010708916230766317944168868347608402519315788353740765164339074933671237945747959004357332940933934890976937922164242023733824490838944028714417564585851701547728531653727154858178238023166677944665459451635322137901408977595555791387412640750358948757634099948763902682307311173356953921433437713713722516413430853864604674458315974756546655983860917810952193576161604187095485658117042437833719138437085296878044121425735191361381829497315197922488884846496837409046546453994690981044569853225761279240213692374210312093012188945225886301538906465732463722503410698830696187541571139647908235690663595567824192059411913831209489814597624740304180964241282778298647449877481427852332858494063722008539333781902408968879208445438941761399619763825237439550143523685596209832125470940211834954856352985383853756492207883990336533710516113752286861653450012499728344321676724024474193537575885872979007527582984442627718665042219556070878584871373716533383867823892849825892719646598267926670809777420238768737764937956917427353742820225277113192892808563630686637180913838880038831891702918988825474511601906983583826219178663825204793517614492281212783398401758095408036091138929825527104570113582765052974340918913655966661949762949848953515141097058257457094843361692894917946870254698727758389118979092277456892323114158828420323389401175387603814240047317899856777057023497743833049339267960468244889099769253718930086607292777572541897480054522323110146757352887232575893196948532349826621485398936794571992484030830172108130608682309813397794725294671194731499263150474019897518820379611628266938220289321233724039262450929087712256160722352195824291461990376103102827853457241048364102049057096505470993807314734332094799777515609401835928044443065916674477001849056702026304019935610666117007224852016360220437460838855503971882163604775491604975926756625205545152597295750872453090419849170068347614179772538696385317945727440672838384628538313342883870898071673608223090422776365237870042863521657169127621015899593804104261339010692272043200206805314682992246295818736458346451109109606993347147055813591540597338669745759071078757381316177109550922945974013141495915383546011360924616345893055636921585456723124122676436990231708041302148910713
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,885-digit prime (223 intermediate primes).

Certified number2,885-digit prime
Certificatedownload
Certificate chainshow step 30 of 223

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008684836476 --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":1100000008684836476},"decimal":true,"detail":2}}'