factordbrpc · fdb
Sign in
>
?

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 #1100000009008039711 2,046 digits created 2026-07-27

Value

255829509366842098204893729769318003216856951635564442284247250498531833500216041323316996694925398637162871819377371706020845391876233515489158794918575300723901322691348459898651643651165208712824098269872187360431046506163942491992962332472963460892694432164907295236685868304225714116138713609996202036437002374708257916629516172142383775042755213576417712526544249959518064339575868331195826527611352703139275523047008184634276492143347075749601611880487004162117105795765792640757020613670472885801742561799623218495074881342102975014647374297618553068819765036566696131728861251679249873827058604504130093636716143649192871968855685869408291116474812209412474149375200040915791452717353743351286038454570989550619730061334321427125825080530139941380685309832428884778971333444972537233965357100822111905442056164896835534260787328686389262580017864667794366104952099924258932710418359487733980212765277283662712649069927273040214752612534345720065999693093573828102737571808052951348098026019455956901463870282975005993910705990830826158531569923418210080527618007352064830129152221128601171311510120502920216759381285039840981379503470727235286707825739653366752135162474966487399634012144428014290509507981288183363099999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999179
term 310^821-821
Permalink ‹ prev prime next prime ›
Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,046 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008039711 --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":1100000009008039711},"decimal":true,"detail":2}}'