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 #1100000009040166909 786 digits created 2026-08-02

Value

118409656050320625256373651935981347216562902914958062751769497225256491037632669747238065003867185427163686387835098201399478299384386646709281520014321047522073374918206372865864055017206126506463344592704388464423300958283731274895424518565408814221484429363690510102966156266087487415213854689071051875458788805146279070050515147323914164667295523540275528116259631527239061457339832590601001364003494020240129798671094716878816699971702063894225098577248837518963285947064039447108893229146640262664890495087405538677253332421433922544179741935460921690744081229612756616052655660007026862203025141983004928295319950215153833068170545911981544897973280583008398221562624471648847422151997113006944998717928759136739689517335511690975391817392857593085926568321156182981203003753803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 39 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040166909 --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":1100000009040166909},"decimal":true,"detail":2}}'