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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 #1100000009030655406 2,020 digits created 2026-08-01

Value

3388177914420634876677843422115618609430849916554249178485685840212740843543855188035925481206675600255808842987566950413184450529130336322875906120132030764172400547984279063174745455452866372993345673571479814434958657008653257140819295060401799541869997051560547590346833552123952359734549248951398962515312271959369337114449945720376094665222671809298481237883091524814863488465609225942754123186557690255797878689850308915713181226537885212652983861044020784373304842313645464177894516894906678169918947320526765537008084753820284997368801080329808316142812856247598797261344239579561907733767142284945416009518177840446669520017064363848682421564432418514024693518545392087184290625170951190863636460834344082536407655899625092210659356703534332521886927657124718951448155579051604549657975832806539029599388980280765944489835744640480489088432658154730164745821965090496956924392837463301875319652331739715717865844368492891270334911575588710640605942716195676126620690349468115444484647213260128012933538244849212528165031136208222971713157778614632574918690308800582188081721569868936666213360082523011955994532590939308399071080408062890969417778394118187853642465583114591607350694116409787714433854441489783677506272968915291809926710158281934619357852429530376804328241612821596949945084187389136311555680424112864783182790320143310845368093238340808063832973719927855868304887785987723074355644723961903161460073925051863680944925818010352999196142177762467419521790742210680641287042364660697093840323236207515839804375899251073666915261033530091489516300734236897611870013018873208190926374063833889858353756210431017764914548467636074612547087557601985671940386032304340025912788455220352329542635439699669011270497491967525843452629324222493680105099192773613231061297911380307289751248522807095262959369536678536688666815803097442531756739411627851850162505140735737861253492813286058305013052268900381128088587564870918762921762508605234353880138665499285313105171331252525022121233038135603827069273
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 2,776-digit prime (208 intermediate primes).

Certified number2,776-digit prime
Certificatedownload
Certificate chainshow step 60 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009030655406 --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":1100000009030655406},"decimal":true,"detail":2}}'