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 #1100000009043895683 520 digits created 2026-08-04

Value

1716387205552329553371519158375891326845895402714237786458333853535066464506977470664879444959034607451961410158796267954872433961468257078993152332161740217220634891702154504380225804395669592602270879950013417923793010488581506875692464725516782857413454396262447241682367034104091486695068292307154368411363162411342316642369866890271499058879791132173007968701114182333122449167672572811937443704182194573466725510056719041531027689975915029209244406786966333112218852308278815337462532693008118254816244664083802477
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,381-digit prime (113 intermediate primes).

Certified number1,381-digit prime
Certificatedownload
Certificate chainshow step 73 of 113

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043895683 --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":1100000009043895683},"decimal":true,"detail":2}}'