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 #1100000009084376728 713 digits created 2026-08-15

Value

29309323805517009408726943220470945957402051729448362702021908581398564213471377450999634262094387447732434283167607823393102744298902689669213785307768280509421376117404482802346994551746166781869095300156405368596853349680626750294504331388376144764374545410661738082984972877412111600610529652088250711102718331364852322900677728628623223997900543322138727207260893842576500198701144014893664842673587744494154760338509884023216827419893963545210114061187426851508556874550645819357084846156765853055101419818199467231694943433411587259902497918098877009864197259332244252783374766106120750904339342441055566951029639723390897556977729488246434582466084859781723392395143424543139844802574749837588142968750513
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 1,955-digit prime (152 intermediate primes).

Certified number1,955-digit prime
Certificatedownload
Certificate chainshow step 97 of 152

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084376728 --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":1100000009084376728},"decimal":true,"detail":2}}'