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 #1100000009048955811 441 digits created 2026-08-06

Value

111723657253984267534527784120914667022397795860616590208689346457040215478022049147628510547733492357792165589205970513874992417773692732441706984965316747257115156901029833102041459621639182394942683279324942792327196396750407292404777872031716665327758367354614476473850287431609210615733699432019308529607371679572621642023719301616487712702064786690240083427635314145170635759058957837037648917878401544103432096589227017764737065980891
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 87 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955811 --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":1100000009048955811},"decimal":true,"detail":2}}'