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 '357059650913324344477175994429924282414363585810153713468849837033583672911093577779783448306781264490598056992388526233054594738887039399913578331040516421092233550525754103871571534298475647930565344274822102907055244103012750207363618392164460156828086257103530506014327406502168851098591445381968054911221935601898839780751131317030442612582257081580737926344988269007723555663879445433586950401192487494925118116779836773393524390894866277605506671259996339368273577815660394150416004565183191370939300385373648997042750395872685033429226133328159388603864097849' --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":"357059650913324344477175994429924282414363585810153713468849837033583672911093577779783448306781264490598056992388526233054594738887039399913578331040516421092233550525754103871571534298475647930565344274822102907055244103012750207363618392164460156828086257103530506014327406502168851098591445381968054911221935601898839780751131317030442612582257081580737926344988269007723555663879445433586950401192487494925118116779836773393524390894866277605506671259996339368273577815660394150416004565183191370939300385373648997042750395872685033429226133328159388603864097849"},"decimal":false,"detail":2}}'