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 #1100000008676651864 422 digits created 2026-03-10

Value

25309408917389167094097052149460117150320362961509063786459352444973535712427359390402553531936331161518160255606033332532367052877588830962669232170952587414741618485566309184381970195990504586101634609110509976072093609119606449118440512904271452891853988418441446174560678257733228100221738425822890364734662966902163561596128175162748342740802763827268718305963146664360115011083088833539933603687918613184348225248637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 195 of the certificate chain of a 2,930-digit prime (225 intermediate primes).

Certified number2,930-digit prime
Certificatedownload
Certificate chainshow step 195 of 225

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676651864 --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":1100000008676651864},"decimal":true,"detail":2}}'