PRP · Probable prime
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.
Is factor of
Primality
This is a probable prime: it passes probabilistic tests but is not yet proven.
Build an ECPP certificate (for example with Primo) and upload it - it is stored and verified locally, then the number is promoted to proven prime.
Primo input filedownload .in
From the command linefdb · curl
fdb
fdb number '33478714363527004571007200495697186825279885130578593259440709904631620609751900610506995450051910362497261949729349524322268261787272019785084354662020733325541653979503690966570798115015568850225774243668133661358412360586464330354539191198670411137340040955691580779451677709117508837597632338608259800182848453480324417266951590086226248235982338743493112543718783385843552529001543788717306732865399878732223540577418431292158592301182858272681530759000945326564177963221583043545554479426937847996425201841452830205797051557983468776364343318201908792205622221013364229133726223935046994669356850054628189485932495445171635341966033' --detail 2
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"expr":"33478714363527004571007200495697186825279885130578593259440709904631620609751900610506995450051910362497261949729349524322268261787272019785084354662020733325541653979503690966570798115015568850225774243668133661358412360586464330354539191198670411137340040955691580779451677709117508837597632338608259800182848453480324417266951590086226248235982338743493112543718783385843552529001543788717306732865399878732223540577418431292158592301182858272681530759000945326564177963221583043545554479426937847996425201841452830205797051557983468776364343318201908792205622221013364229133726223935046994669356850054628189485932495445171635341966033"},"decimal":false,"detail":2}}'