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 #1100000009042288159 494 digits created 2026-08-03

Value

21093816592248770336330827529818292647736738019115152460051756485422827814650005731298179545516838386755651124980188341216472817279887023489541066746736941807833854525505606869751827429277513705231463343460609548154408618151285226054615173723824908865136768862679220358434613846896921740532346725119970187238272983113706049130589943756549587372235191192684949500143835267731978173683214467270351323712455461065518279514427379535900640185182216935379715091816370834645456462100616120823554362097
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 1,315-digit prime (124 intermediate primes).

Certified number1,315-digit prime
Certificatedownload
Certificate chainshow step 80 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042288159 --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":1100000009042288159},"decimal":true,"detail":2}}'