factordbrpc · fdb
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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 #1100000009018865771 938 digits created 2026-07-29

Value

31043233932821622075366057270003822995705577414669600067601758975185266905248432978903251000056810199399617760515645529603500021797953901600693993991200659205024175074086738109865203872043495260354417312451960657143417282944633470773332197981148105205566531936498571184063218748070346263676516585285413726307173344324547622599028959957518865381586530491249301312608009108431912905415084862055842067974565404237031385697995742940247368970780900600924867696638112459546552141320922202182738110192304622745319465807571380408774613354190915170807727011399106131747397259821225678027861912569712821318356826568667454562217017548833088492664881843993837567961803012801145480597997506303263165081460575904042844961848810492601116670033042807920813007902356780623883608063513538701445711183579047729141648123005831113542834499937505062384220178774088129609589706175809186680996216268536065361807647873225584164775503918583991101401915710701827433
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,039-digit prime (69 intermediate primes).

Certified number1,039-digit prime
Certificatedownload
Certificate chainshow step 8 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018865771 --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":1100000009018865771},"decimal":true,"detail":2}}'