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 #1100000009044156318 509 digits created 2026-08-04

Value

51571325966532124214738003599996758042741065607970819472848147041334016611765383924157454075034764049870898663445597711661034143631133356934668654690457344616386740746109557912500742887397563831453584814331986335536350873394952756323568713906507534929874970446962622129493341328307292686705107401518820110372449131124495055337446699867660266607575525735674423336918502623692445391526336448860503329472569638725027733828578999583981374036264337212074626111077793989368300147954285534958928762268175416156341129
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,385-digit prime (111 intermediate primes).

Certified number1,385-digit prime
Certificatedownload
Certificate chainshow step 70 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044156318 --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":1100000009044156318},"decimal":true,"detail":2}}'