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 #1100000009050514138 403 digits created 2026-08-06

Value

6209815691528304806740968025329698503247394473817721248506918527172567762943919143928668672779023650303139590438716069931478564387061227725476093572225964903428381057103213779791119026791651889250847740741794743725288309196765883143076892004805312797381398418407118955948788775986722095024465918282597755635895464244679601732701377501281016053205713272643582793188074857305768756358500213832294480534283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 1,530-digit prime (124 intermediate primes).

Certified number1,530-digit prime
Certificatedownload
Certificate chainshow step 93 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050514138 --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":1100000009050514138},"decimal":true,"detail":2}}'