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 '7727039261896333101730284650878998696625456721787618008954981618616532858352643601761283526547403557717415817701798635032111538748351026478880402127874516390297184033707356352355086437857422217285351358766418910077054352358935869124762780657465967151343149002893768011417294771160758047987817060175342692513221026146506829031025522345042623614667882933132744224659171188852732762117308847869540859096669999099476538123228031958177979669853862017046298334272256995565311287159157587795121913896073156574422054319584801098193373632180043344887642061942828881967859915959286653268575333651349532015885407216331981536551616158542437690393001048864907581905016054927771563' --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":"7727039261896333101730284650878998696625456721787618008954981618616532858352643601761283526547403557717415817701798635032111538748351026478880402127874516390297184033707356352355086437857422217285351358766418910077054352358935869124762780657465967151343149002893768011417294771160758047987817060175342692513221026146506829031025522345042623614667882933132744224659171188852732762117308847869540859096669999099476538123228031958177979669853862017046298334272256995565311287159157587795121913896073156574422054319584801098193373632180043344887642061942828881967859915959286653268575333651349532015885407216331981536551616158542437690393001048864907581905016054927771563"},"decimal":false,"detail":2}}'