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 #1100000009122751781 411 digits created 2026-08-30

Value

635360828295848858338853543460629205941093464081373196757013805642355011018345686846461361439236883712180606673933532481842120764256801033557947747417440833728828259153114980329854876203945855285805732610327589396635265356009171755044860034679270344573420409888746635188690370488765425074090165299515650184125936259884285534564921647330102128191076280165268897282994609707963034052357646739930142799168449021719
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 189 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 189 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751781 --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":1100000009122751781},"decimal":true,"detail":2}}'