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 #1100000009051207241 594 digits created 2026-08-06

Value

203131657464423774791322886034973317889898599646447690670679466795964523261204194710223452229035189938890220897569277263837103891607441351047274051418228821046137049421853682561462545892089038519065747660624624250555230905304889646063853846422473061035989785276632169517871857992096449648944506472080602990011855642667092387245404512907417401737157483481099316796810737561659332964993718052697952875937124045215188590434272773471290647347854905431796358404147852300859379273767901083810374407287869341726808497721797488171012993841434032341960835918431446335770406873662351450925071496697168333
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 1,556-digit prime (132 intermediate primes).

Certified number1,556-digit prime
Certificatedownload
Certificate chainshow step 82 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051207241 --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":1100000009051207241},"decimal":true,"detail":2}}'