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 '530260649979890272264643492320955691933788859687278131636871626751127630883089818321008157935072282702983716297596177442545955977962435234775764225537057660881083184063323273421225369779230670658058857163282284647947899777230600264952117278616356421063502257090236921579340968726816058894893409634332990362062102852809892755764772470550812922711111194554148525286809538837799458176362797819784676047974277181843731826027432291320905398870922507589110372198593408840538107308383287784623879340015946367886056846636240290061973761749228929535671458663875923368153459964265302503332529467033410182741073990689' --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":"530260649979890272264643492320955691933788859687278131636871626751127630883089818321008157935072282702983716297596177442545955977962435234775764225537057660881083184063323273421225369779230670658058857163282284647947899777230600264952117278616356421063502257090236921579340968726816058894893409634332990362062102852809892755764772470550812922711111194554148525286809538837799458176362797819784676047974277181843731826027432291320905398870922507589110372198593408840538107308383287784623879340015946367886056846636240290061973761749228929535671458663875923368153459964265302503332529467033410182741073990689"},"decimal":false,"detail":2}}'