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 #1100000009053300699 486 digits created 2026-08-07

Value

129278179582383556609985945502509193417704452230525408408609265025811464582521516056317703041237387272679962055762429954901358917833642198011620861429663249061225514696644053939172635534221538609504216950681356598513290175097162890093682834828724543465300357454226158800790982961220410748447554651648820369396202724328666108148784771785313873520527164626182867793376942279228284446598359483521090294967034077751998783543370190693172589371529284906232645236040783824647121838084141137187
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,601-digit prime (124 intermediate primes).

Certified number1,601-digit prime
Certificatedownload
Certificate chainshow step 87 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053300699 --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":1100000009053300699},"decimal":true,"detail":2}}'