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 '7924046141419730485347046988657635307967035376274633018822443744389095346445303343720709074265383284898942630942659624545889037499258455217768128822920131263942599353912023097334698113907733664899377034801572980391699892836760777403256896525221544297955375081524058501766168961146517576065156931767521334849171398006699668363753872589643033037604692521354398603780548757411372913494588582678295144721080754615749600099180768124348179989840163511422072913429801442383944917278734912241375914595993313425129687159315594573176902609587495774557479167203' --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":"7924046141419730485347046988657635307967035376274633018822443744389095346445303343720709074265383284898942630942659624545889037499258455217768128822920131263942599353912023097334698113907733664899377034801572980391699892836760777403256896525221544297955375081524058501766168961146517576065156931767521334849171398006699668363753872589643033037604692521354398603780548757411372913494588582678295144721080754615749600099180768124348179989840163511422072913429801442383944917278734912241375914595993313425129687159315594573176902609587495774557479167203"},"decimal":false,"detail":2}}'