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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 #1100000009073140715 996 digits created 2026-08-11

Value

202172288698861368293943493330817128487148955841744092835365958354059813418468457679363186722259137890721116219489482220193287996997109783154072216037304850100559290269104032793587811353962638220325242654364267684385685867192354431991058500662765289101211627985087773310314315869670847185973407250048015185239331020230808617173112709667914409453200043551418594084637302716091550483949750087294812290750175066940203052053955026689340903256913111419577289240678360128116257447247901132331590914688954732598371569583579477136141381188690995489691011638977945586012880181420371466859531446473831893547383011782423104052225697091359595593526499550552952095079152932539119461189182496998947268637814998951102876005363538289972474047772331521861769980770296865221545225109831342249247518531075097461535159030736821316067039346440980602930480950612315399657351283064362463990059684134205258604835379498813950661157418176955327216886499468272367703882425178577888421350219660578281098833489852026485753747
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 90 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140715 --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":1100000009073140715},"decimal":true,"detail":2}}'