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 #1100000008674995129 302 digits created 2026-03-09

Value

20367600944716748190246751511187603028056463937705672333616001110142978465527842771552614373809123287604031195295611745884709828637668746801356050062583886435524440798971661485735161766744355119387727558636417445863104892353793511332233860124004929018673202126337477891892748993360051220497727608851401
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 154 of the certificate chain of a 2,906-digit prime (166 intermediate primes).

Certified number2,906-digit prime
Certificatedownload
Certificate chainshow step 154 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008674995129 --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":1100000008674995129},"decimal":true,"detail":2}}'