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 #1100000009040104066 955 digits created 2026-08-02

Value

2123142771109212981215782898235091568740163051580181912994235239472065889317101056458485529221875679198838872428065871912082262335842592007122252682407457615374785497289169978930782411383427249264448742485174623957705468880076275315867801920111754842072485458333314938756349914968712157894725884953426575252439807391844736201751953371228904004617017307637459186004932495983926807319709993882282470549336194691326829566620744737592855358006674848234345021831908861850677574833349847216097842408707955001356714088288259587351535193024929561032603184565727914900388886154590836743033667141318558310121578330474158166695407550350690273459114411650302675038034466116224407048086872029209013723328327361472797844869948282015314565987336288662710941638440992862158199173697700577767664864272276986285876609227680093973349250942102999045171770349712958287560443092606380718568345417500197109552278869588897093814790094245486332517927669860935174405736799663203697
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 29 of the certificate chain of a 1,253-digit prime (102 intermediate primes).

Certified number1,253-digit prime
Certificatedownload
Certificate chainshow step 29 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040104066 --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":1100000009040104066},"decimal":true,"detail":2}}'