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 #1100000009040260816 958 digits created 2026-08-02

Value

7256996992697054387268088161850145179913162302972786011896653687586515056460618910013992018247405282275612771172161820443276083969723437901184087737292840808840473956329393209694260748070180465303005750718077050338910845287486747713896137243601172663998798476894878349017660976299793458253081086599917007306704022400552245538316195261671163631361315749724885754705146503767845094533293519535712060079067206872751842859025053114186897756258041176420779429189781879529483173622313840023617420725505946957516291570893081097087689121184829652683209229939233014399708820231740781143522715075685164011141735527529138532402079220534922853421727247964249011103540943910502215831064107806511550413524605171899040343548878517663385628561211342926201377763015676048017136614612959962070662071336966770163858807406084956779427400656656167667152203722839925605803565374105482810656770543208394490551951528746306249338025434576119226907022506846201356815946516287804626503
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,260-digit prime (110 intermediate primes).

Certified number1,260-digit prime
Certificatedownload
Certificate chainshow step 30 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040260816 --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":1100000009040260816},"decimal":true,"detail":2}}'