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 #1100000009023315640 375 digits created 2026-07-30

Value

128158134685742805458939408459851040533944777956342108218921076381270294640032725153821158293965038861362694615165377754983974579629495200173557828477604058497025957531453199318630212288799976032035166589862792815339917032756984848308102709063908693770844097470057797467431069364795115289847926493036378078070781717832705336162930667855709331342354809581693328413156413212383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,155-digit prime (104 intermediate primes).

Certified number1,155-digit prime
Certificatedownload
Certificate chainshow step 73 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023315640 --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":1100000009023315640},"decimal":true,"detail":2}}'