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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 #1100000009122593156 1,015 digits created 2026-08-30

Value

8641594154728681470134195420137527038701271294560219967845531289248839915004784655405899375288286005524163744870452299028342632210855730806783869728043446387929142498430783026778689004164557920042325799803006417450305770573617189218971224779895705094956780112083651564068456623133872894034980116192018074128722217215985340555822695151179221805178144925719650130541336871051731305127510470694076326961948664332588161084995847570120402348812271221663547359091106131775105660681038969923930891008311555870708934275696819476030943500485367940893375104253893749784837398777002478965907547025458418288239683119790687430678493870005066267681521896570640574554745546671156796171315232271192527789510006125925278038133529237181089598041793694698670266070143389997052827256287178955243680135922212312159298729009169755688370722198118054488689032481542619554398227903476776171545431630716684299665605865180625645745434336022019452935655044363488624606754478724883177294739347070942083742955287355469964832997958217256537300059
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,775-digit prime (189 intermediate primes).

Certified number1,775-digit prime
Certificatedownload
Certificate chainshow step 72 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122593156 --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":1100000009122593156},"decimal":true,"detail":2}}'