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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 #1100000009054707512 1,686 digits created 2026-08-08

Value

886615562229207418944944574835224689550004271742584320337258916406276755914676894906507914100504545996835305471118831624242576315711819414737179805357314861993612787645221703081423973108774147085741715664627514394773784965069718907553779228784154866692769885650283660527422192264428903464275889529701881147571233304852257130528355257952823958908704640455498801644571774864094902493393410054659332952950883445679527004617126173954382321337579062258737366045844264739567385506336144465910120967637468057682245867096614277695041765212803985239305273069593770172150669639885036035364287527921676996837871774299619133911811807251165393178748134443423295331333746847055712226399846902255415085090759383740984500525572009665472961253125786311414563105389303602756571087977218919378979052848569110659558696047713372367639767090577508059151352222818829126282824343677595138927977376653416172929243859123714985655112091871798062839614973022581639608860877046050447665376114762571851263114537553937697258379707420606466908753630319871784462572245812487466771614541041578859052579663873692925410000008016977392363711558470767241019679159701119587633213407386867261384120017179800848068322715462488593419950456726058108003794531414401971810722127741551477922631720268176822324220851543059709807003315843084127443687991555043126524156229937832835466967663261938836964604553275976074117421499471881681639090639357284874429812596632108554322995388863883912605186437462713406567386134333186159759739250219776796186543308022020472711237857530920946808023662301452102950575643792481583289459408667320180308365186334859001384171955680392749670630999371023624120273780784528045855944016390854438255024806893
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 44 of the certificate chain of a 2,221-digit prime (168 intermediate primes).

Certified number2,221-digit prime
Certificatedownload
Certificate chainshow step 44 of 168

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054707512 --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":1100000009054707512},"decimal":true,"detail":2}}'