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 #1100000009018865908 511 digits created 2026-07-29

Value

2114111388591091837130153943697089815418099391844864657523098520793145599169122168686130826375814378419324763437653652636351421783699828746811516681740004017432351244157067326562446803899403172743828470092727637177652268622505208370000739651921035036862459381772177749876436373883765182115273923227549923691161144366645700601088896909017403721903510521658191417290328592171014880721836426335271662158986363027378660137841950134562451913626553712656007036425376680718436105151100314889497167930944536695480581491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,039-digit prime (69 intermediate primes).

Certified number1,039-digit prime
Certificatedownload
Certificate chainshow step 38 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018865908 --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":1100000009018865908},"decimal":true,"detail":2}}'