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 '1715501411880395792731399500866719409347626182227400112006339361327808553553732823228472692714475106043570168875666393479107735082650403125856614139600946726245272661344029258248635387229026385270122420634495256017380180422760034606765125842684160430905956447076982433238792733979332558118206280133628336201592304784901462653987379719214486959835278565592527389979' --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":"1715501411880395792731399500866719409347626182227400112006339361327808553553732823228472692714475106043570168875666393479107735082650403125856614139600946726245272661344029258248635387229026385270122420634495256017380180422760034606765125842684160430905956447076982433238792733979332558118206280133628336201592304784901462653987379719214486959835278565592527389979"},"decimal":false,"detail":2}}'