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 #1100000009042288087 631 digits created 2026-08-03

Value

1703305494147494268093560785361966802907286070397045384104104872959355390575298425447439155957299034716468663032374232077208620656854744677400275301415700541604295846317651782062124296465770113095637818654928075954594367967802873236458537480898280120817119282165966840169276048351206316508126333595119541042121520963994165928960590551448025523702480743637470554072281414616038270396469679373366187697174780227850816601999985630481651311417669290278366888965365712609218365404460276668710744009849451790442908161990051758237759905812122542087236740049676087475812709711654062206820431799893862853516607055535026625025822368099038413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 68 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288087 --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":1100000009042288087},"decimal":true,"detail":2}}'