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 #1100000009036819874 439 digits created 2026-08-02

Value

2176009094269868333947924583492411834859204391687170531467506870697093156924552971761586198050864674878620001648533461867802115754579251536261880668407218449900832291288284480088906115807524069783926498527724623737662475857652903393916564461720200485436960841971068727920777320684990968866355716858839828601754649516079287377966754704439836851561802400950249484252657903407768690624174290956320950700487447124305794525416032678406944494113
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 66 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036819874 --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":1100000009036819874},"decimal":true,"detail":2}}'