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 #1100000009018820227 301 digits created 2026-07-29

Value

9752380705917081467817387873777577436175552020251997240801680970501355875368032206221454661199801913182380153860094650110559357306502665196590522487875671741490841984274765497647768886103257491693391503043305076411099895796741203073419830102574062006237547341878476335609887083341997193991285232684493
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,025-digit prime (87 intermediate primes).

Certified number1,025-digit prime
Certificatedownload
Certificate chainshow step 65 of 87

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018820227 --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":1100000009018820227},"decimal":true,"detail":2}}'