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 '549897733325121371166506553677804270549730715547404217298484742109079798588225624723572355457427087947095878892230571069868317039828400265016788433480121653310141770301806764233485735485873945014357528143577193020596216022672983094054691109199409011707459954723883456459085152802942808816090890611869835760079601488868410394429178727804464807735944193791456317917907439547942366465870464177758136991260452542187913666686960481637959196426658157641081070548299087124002049892239084907958297452471296704719441500868389034969070727166031999458538929219903456817150680609519219527368457223726669100310964148449696748767349636885951450502974678677606130030804567562835970982325890129895513184936871692949190289485959352482662805747288159434100917301342147041343176062458985255446059164880119977261090798094860311624074776702292606428263154066135880938716008505982966086960360999727318875340394116644459185535236554176779355276274814493666697418999287222469786568823709733155182789491175669555809148072710499944147831881877681921597061492386209144848286211179078010109473281371648544746886629122905579044407266805577982010896561085164187222032061300037435487703551262664784729088538697216889441970798796480825461572878024038179646567420245518187780701548943124791927905781337892024417462192226209126604115848187653494759007912901048120350145346092411022901632853649008570952972838311627029745302432473' --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":"549897733325121371166506553677804270549730715547404217298484742109079798588225624723572355457427087947095878892230571069868317039828400265016788433480121653310141770301806764233485735485873945014357528143577193020596216022672983094054691109199409011707459954723883456459085152802942808816090890611869835760079601488868410394429178727804464807735944193791456317917907439547942366465870464177758136991260452542187913666686960481637959196426658157641081070548299087124002049892239084907958297452471296704719441500868389034969070727166031999458538929219903456817150680609519219527368457223726669100310964148449696748767349636885951450502974678677606130030804567562835970982325890129895513184936871692949190289485959352482662805747288159434100917301342147041343176062458985255446059164880119977261090798094860311624074776702292606428263154066135880938716008505982966086960360999727318875340394116644459185535236554176779355276274814493666697418999287222469786568823709733155182789491175669555809148072710499944147831881877681921597061492386209144848286211179078010109473281371648544746886629122905579044407266805577982010896561085164187222032061300037435487703551262664784729088538697216889441970798796480825461572878024038179646567420245518187780701548943124791927905781337892024417462192226209126604115848187653494759007912901048120350145346092411022901632853649008570952972838311627029745302432473"},"decimal":false,"detail":2}}'