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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 #1100000009062040389 1,232 digits created 2026-08-09

Value

34512451624079807063622067120344818586863898542024893208403649606747810608746533161587076265613264102668900499822909681109907089243841637004509443358946835781479026465545900621078114045971273339262839180313335862987901466610790418649680494123045481352320698138761274222344249979399463334056106423684996388549722967633620708228966843567624251946394859854504362516005482102257890670119069384486857830418916255477613101024979626819902988930723315683650725421229803186511875392410644821244397662413712232115395775117670645266503420391403320708342212803900932554903005221987644664637234751647944485759599049437859720773331273624572836540877144938382528977376523956995985802139819327824743554826319678463923466892655289123300402302367008983385573511510723533827582139049332639466811242775762657372556574594658571773390651983316654714706237006124104959792268735753976654657443784953712871673936753359199477590206187927251508109372618208681900788725568146008663265648504412134990623978756131979193646803032230269533536469575288476834570944418030140226764484617506340662980933913673057949384379169751594493611779965501251997678067810048002041390210966771232282074097053405294693508064734177155074479713885493120056650016973973397260516857733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,690-digit prime (136 intermediate primes).

Certified number1,690-digit prime
Certificatedownload
Certificate chainshow step 40 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062040389 --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":1100000009062040389},"decimal":true,"detail":2}}'