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 #1100000008942580980 312 digits created 2026-07-06

Value

161538897894501705270183955370861125843110616531872649979952238543309915037758300957467049737012992189563378208554350610697376822068801573894396556046282589532929027583422681457646670029443170829245385743265842191527435037524323832260275954269144254389385896801249149565751995640693224339015979473082931989050823
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 190 of the certificate chain of a 2,801-digit prime (206 intermediate primes).

Certified number2,801-digit prime
Certificatedownload
Certificate chainshow step 190 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008942580980 --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":1100000008942580980},"decimal":true,"detail":2}}'