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 #1100000009069188891 785 digits created 2026-08-10

Value

20903759359536020918190971956776887886495962101685054886566045009538062264489588279784872073111407286576460805999212222509548880200357855679068889297223105491919489999838306067094297813108881204742175258027878705219820506550940069150705763051913511530162371698772232996289195782528260605189124289119304829802060540621820833388907212689168588865712969074379916412978332839688374442107769897531612490289801220001202678518589650819700715147475446732865147261053465589194902183175379603917783424241264824179563774598188179159412452437181141065780102096460093223593383669681873882848336967792697004408899473199800189969273584225936830148528573844297240723190810177479099937614004466563598554130362402172258098236967078305534605600032710137924016088720194429465603515515728676064848024434561
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,754-digit prime (142 intermediate primes).

Certified number1,754-digit prime
Certificatedownload
Certificate chainshow step 80 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069188891 --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":1100000009069188891},"decimal":true,"detail":2}}'