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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 #1100000008270920495 1,965 digits created 2025-06-06

Value

342644747591812821594558370680367732529432557877662395183227529885680601865228676504465873862272545787785027635182293699468007437647571963408478963726125818761478660495722555596689799001017702242089335240754481784448835065671036181491705695978267331903973159503292394007638007616492288515515109853896686701393886650739252397382793722987888786959797094233388356805718494730281974938501586121061385350765844700686245007070677396437943771764476735067080305212027205575797269227818756052308761382738472815995233642734787526196195296050404088280919110507026523444467694707752471227788636472562076897921018733912584242610116648593931280724412590489620087020283753131728650377164984147076951879279348297533598110554411126050045054970838122143808390548455865274583012867037739658096471379952065297576015639250075650424719126039728183800067311883779797983985905344364899228955111317463523498023798558020096142449166183400985005371326661394951697007057856267689677664644626925124556571837781582322850758120257769608606293765393350090681607917110339864603687031253891427321677570636000557075775247426702196043227704857099436470926063398714770784653247745958799894995009846488810075749789684250580723548749656503936883966705297994964714633839211817718963032814312282033383410758319307372793779818101573516340206462083584566175815757977932366110093978680574847449682089727941511482873841086113079309720342439983064915711121189868676244088678876845150797257050578486262692672782368115685286620415443198602814982521126439186956995055647660116702292554177618215872251930367354895757721301487488631918564236271333339134888035284031842067026320936161680996760872270623416193883206807336849047490273844590464510247825872830543924061149751389914849237682587793211804955967807540328615987989058361085802896014203453642116814826640414974866335996058629071284360248561012264224529680953390326292629677116174762651709629561932812941711142600765520247396456900762789212681373052295048151591
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 37 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920495 --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":1100000008270920495},"decimal":true,"detail":2}}'