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 '59251339830712210231772397919847733157088067974278203926092762882758779576173160459862185531014548998759425908604487507051232519126604442909995196211546117493567824070396862389134415017401695323640333458219604317528147399645380869902576090040992249011173741845702833985317931710264789150971125485343782131234446931877243785676220614602595338625059246654588560630385590576504614070647510910173720902310235391259802865529799501900761544907045654155818476920346323378603003192657087722291910389045372818251474675690433575050900244881' --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":"59251339830712210231772397919847733157088067974278203926092762882758779576173160459862185531014548998759425908604487507051232519126604442909995196211546117493567824070396862389134415017401695323640333458219604317528147399645380869902576090040992249011173741845702833985317931710264789150971125485343782131234446931877243785676220614602595338625059246654588560630385590576504614070647510910173720902310235391259802865529799501900761544907045654155818476920346323378603003192657087722291910389045372818251474675690433575050900244881"},"decimal":false,"detail":2}}'