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 '8922195833906275770114880642670340005637956949641108615873601802794296341568936662824314089724965109061321954830194478855204991304690021996334419797986758727151616447740151879020440367290679428205917740379172615370659438566682577263470054729443143943323134617890884550527618055096316119204992010278557443535966513818279233036504611587342092858697492078255154572922461121717037670674309036548773425847890112035087599750679787612908640447186902456463129212864195986320222597915463995825583359857694663941372553991893302525646126282915211944252303234531544815995908747179970997140084032877309185590734352933167217442364888238227716197119922320968456288199655649499861233784001889319167430519407130116202619948512526909823134760384298381513323208781183219364178740283042867715071150530730485307947733473157131656801349209359146518922839967838901081133875801067941822071711502252293071901836624004787265943958119754291847548289921229024847098034310518740300125414752524631866892857102797939103951056545665061' --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":"8922195833906275770114880642670340005637956949641108615873601802794296341568936662824314089724965109061321954830194478855204991304690021996334419797986758727151616447740151879020440367290679428205917740379172615370659438566682577263470054729443143943323134617890884550527618055096316119204992010278557443535966513818279233036504611587342092858697492078255154572922461121717037670674309036548773425847890112035087599750679787612908640447186902456463129212864195986320222597915463995825583359857694663941372553991893302525646126282915211944252303234531544815995908747179970997140084032877309185590734352933167217442364888238227716197119922320968456288199655649499861233784001889319167430519407130116202619948512526909823134760384298381513323208781183219364178740283042867715071150530730485307947733473157131656801349209359146518922839967838901081133875801067941822071711502252293071901836624004787265943958119754291847548289921229024847098034310518740300125414752524631866892857102797939103951056545665061"},"decimal":false,"detail":2}}'