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 #1100000009079970391 423 digits created 2026-08-12

Value

306516907758459178026910919798363229829370222798639029358469480599345377638952598303673240014207419873907228015946131775821455721397313120875865524184583636587261902984601360374240325470110634804462156773608320990036656650611840231208948759050406621392371847502541019298492950844829964232140998149503217158822979657450298401443342809693843766231862796904595434614423445998813773964742371380457845993587330322939454514450847
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 131 of the certificate chain of a 2,167-digit prime (155 intermediate primes).

Certified number2,167-digit prime
Certificatedownload
Certificate chainshow step 131 of 155

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079970391 --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":1100000009079970391},"decimal":true,"detail":2}}'