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 '12954129521090524735060751067936649438014263183751044823905065054680342757135225609940412812462432529412414307095565818935125724547456548918322923462962574476067238857232255536078527999131864867553432724174879908673328455352357442383197604032331898980853419942085114699606733244709336704696651068816872816159796255279116297740003687210583273271580109862496132984376256705700037990858528307215795187548588207520867478567209009393264479339268802976145468732810490539824269372119003282670598766370504313154952004338395305694133657205733128487573647213302211210511422014619762026642246419262327556824736031865888327821544357128728803557681013595540079487743518909475047' --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":"12954129521090524735060751067936649438014263183751044823905065054680342757135225609940412812462432529412414307095565818935125724547456548918322923462962574476067238857232255536078527999131864867553432724174879908673328455352357442383197604032331898980853419942085114699606733244709336704696651068816872816159796255279116297740003687210583273271580109862496132984376256705700037990858528307215795187548588207520867478567209009393264479339268802976145468732810490539824269372119003282670598766370504313154952004338395305694133657205733128487573647213302211210511422014619762026642246419262327556824736031865888327821544357128728803557681013595540079487743518909475047"},"decimal":false,"detail":2}}'