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 #1100000009040888759 1,181 digits created 2026-08-03

Value

16196390196706417227342074402210149624221465693548196744470103434185883492366559742884542283174494028648929427813351188830020424148380222288368359061800822473764198201436447708968991773587343235503202009206748259036819762668543425380355178453525475981041770613033806647922463664428756764862385238401190063439423299555281850925039080783208907816284433808787859029212992177688408166975629189805427466962855110711692417230831989909888256588121608392096454985416227439853457177429853344151639260077091899890473721143316717937024180765992807794194723319880462868801665545251727979859137602676438365721918236735998189016452755422503528894210957338371633306451358189295773422989755592132959585489590364305189004331596935281660372792735307809380427713198772332717680527709192736342102324507145246183761751596076628763126575148917794924281049409011921894787766485075138136392311447883200639522118108677439931969551345397075954578243713796232412035337022527815400134402224761180530130639870712996438022256865404327961873190656580613024345482903026065857399688584434003114400390954055648556228946799500246654281190881202706008589305270139006497761721910238614377944255237752979774838913760581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,285-digit prime (108 intermediate primes).

Certified number1,285-digit prime
Certificatedownload
Certificate chainshow step 8 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040888759 --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":1100000009040888759},"decimal":true,"detail":2}}'