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 #1100000009072283238 648 digits created 2026-08-11

Value

303500792221624092487063225035322436632130912312867189218089008307909372994194742875261013361038379722781720306846058027311633056740260863526758865093396248672150901659384078481821442333458633225191466130359783541156994613157455934355547323039338520032408605050226699449652748410454052382758121861681569241419790515268174432655991241260191139372662495069618590836087888359334703726128127372794914402363702301861034721433237016386126928267493424170117118991190746047885782858778357967561424136167034056952354648806673534497376971142648832753450123910162217742491493726041988955367977653992094532957205308726434558486289842510729627551271588632920363
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 123 of the certificate chain of a 2,113-digit prime (172 intermediate primes).

Certified number2,113-digit prime
Certificatedownload
Certificate chainshow step 123 of 172

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072283238 --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":1100000009072283238},"decimal":true,"detail":2}}'