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 '3351074874906129583063895973081593785673194886097765267526649143756366786873870768361403856347115019079683605869195598768352888951645554442892215513491298723123500932165971139695666979517501050539016761568906186437117473954323531796977052897179758919285677032731729838378318635707948924404309563442592353689426060247442181890546690871161889458731444939532778743' --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":"3351074874906129583063895973081593785673194886097765267526649143756366786873870768361403856347115019079683605869195598768352888951645554442892215513491298723123500932165971139695666979517501050539016761568906186437117473954323531796977052897179758919285677032731729838378318635707948924404309563442592353689426060247442181890546690871161889458731444939532778743"},"decimal":false,"detail":2}}'