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 '18093212801101751829659376573403026040812872803493794524880874004128380382892468458665857603474493683854230436795424777100501204306867005703742572633157474655648905783834396938827275653589391504467589413327909413018930736953796190153454223530033808374321031758450995070893293490859472814719982357650029107618017718033477756721444734651166430239629622587204227403489518141324824787534998811475523197695964906574652731442936631451200400953137734735789840653312106053664881039984074130186733423587397894562905504531606455670634717062520647910077047025639279754211685566316750842606803069289099729413171158558951782144548640169534734752167719405527133666786900663187285932984087782084915035719133519512753156209501579987285375022251379597664939172733764451424697375713779582688643' --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":"18093212801101751829659376573403026040812872803493794524880874004128380382892468458665857603474493683854230436795424777100501204306867005703742572633157474655648905783834396938827275653589391504467589413327909413018930736953796190153454223530033808374321031758450995070893293490859472814719982357650029107618017718033477756721444734651166430239629622587204227403489518141324824787534998811475523197695964906574652731442936631451200400953137734735789840653312106053664881039984074130186733423587397894562905504531606455670634717062520647910077047025639279754211685566316750842606803069289099729413171158558951782144548640169534734752167719405527133666786900663187285932984087782084915035719133519512753156209501579987285375022251379597664939172733764451424697375713779582688643"},"decimal":false,"detail":2}}'