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 #1100000009018587212 989 digits created 2026-07-29

Value

23549515959269773186782462141752344158709179274497529613547010245497166862152500151156810255189470154587590001317626033759997937401367971281915251985865829455639276346029765635100056879621503820445571102052129132544571944984261886153686835696946003961824410274203516318513100474651488370788724390607131764239059794981446830392092915674270594173474524734977729389931614844518148281018515427654860358990331480739511897530750107703308319214264673334553789037556035841211552457253467831723463874210461426562655628383393671844708626145219873808539061098759852220539311380598268578976685632026564878861498084242794418426302820243021174863938306874461869240343210609006999903740689902560153553205478919854861693244128699191405671586227952463006417463219867038335773201919006853664852500644200134209385263062362691471410046720204422994001130864636999431318167608835712592415254639333347251462125120930887721338865413211975624439224578326905292731233903287838738191464561419120507223051803552224271
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 1,008-digit prime (91 intermediate primes).

Certified number1,008-digit prime
Certificatedownload
Certificate chainshow step 3 of 91

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018587212 --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":1100000009018587212},"decimal":true,"detail":2}}'