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 #1100000009055288645 361 digits created 2026-08-08

Value

4347321156525059224989415894396260720890825497663341298601220945335934423202353246134520021619112107186101024775394741604365604706864834308213534719327554015804325962552168921809836353062747844414071265072768634507963645645057688742900296503128386779527949196082703184845826800478425829359846210709024698698736562420508375045915730533165471928019216909670339981
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 106 of the certificate chain of a 1,639-digit prime (130 intermediate primes).

Certified number1,639-digit prime
Certificatedownload
Certificate chainshow step 106 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055288645 --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":1100000009055288645},"decimal":true,"detail":2}}'