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 #1100000009054290772 477 digits created 2026-08-07

Value

253532464623078628907703664616145781096871726912036002553069807891288768614557607117054523449448680859451236561588523509549296190207297985129197047382787578214506005932018585862054380633672432747639630696868545952586886345281669244348833114271833254343431805004740718887439548158003634658160485163747068297455513943560215991794186940747785762797359544331669282495434194152868264407038318031902960260035474223023281880367027316049955625223464479459619128570925387427306002415559
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 1,623-digit prime (135 intermediate primes).

Certified number1,623-digit prime
Certificatedownload
Certificate chainshow step 99 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054290772 --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":1100000009054290772},"decimal":true,"detail":2}}'