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 #1100000008675883200 563 digits created 2026-03-10

Value

25616395301490183184747673091035298597839881505619611918104439173845414970054108396043259992279187106485148890139366470797154444373108913802168466079537065020087194502448005461664995127536614961056260106650210885109176759287643927529662280932794765023600507891280846996900947817834999073202905260918037799393016368837546569599174557860003722383190952104183643712121207010816534117806281862541791975907803418533418805195794400165415521126355722036035488538061496496745737021234214158748293461770387716970033505507889841196168292874224570152364600557868329322927287
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,155-digit prime (125 intermediate primes).

Certified number1,155-digit prime
Certificatedownload
Certificate chainshow step 61 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675883200 --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":1100000008675883200},"decimal":true,"detail":2}}'