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 #1100000009054272087 432 digits created 2026-08-07

Value

816810784584116292757044721729462143452241665990607865706476923876085009061538465651613808940872146788920118575600849550864324271015761857577869584358366717098963379237819250092127214510516923830327441074895288706081233042073024234327376395156363561731010204363534807281263623253715627200993331491994824145204115675259333559623001802935761171788638212821267328106493537686174534915630744901845600078665037203665986685365931236646659
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 162 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 162 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054272087 --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":1100000009054272087},"decimal":true,"detail":2}}'