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 '34015831905184645665563302826217709590621655359072398850729612742767504746242410529524687922944522708583954772532243567185943614891010388197906089765255918214028267232393138241316033329577512393339582166695322646779357961852550120908567381351817091595187952882415897946663950190239880174492426109926598906392908276788584726839762535672553844927378221638681491686248308569155235268834937881055089031780779638482841895651680112116220556649007523722510418889290072496731179447417368372230252556953925271353680188179713315637640702015213960611985427817453266843908432515130853696547840254345627937955408598130544175089004846732624971194859850837542050114272529726941174095542743144560403232642040535361919354339909588688683174677711658072325952086261190581812603878934747057640790407482794895926968165482755244892489094748132132427793330193392794343675051318370996592951073453429150566388497384635217332082709620410583587783889014716900843430644246758390680012751336503526043969228604295202522198454700648301917755759487558460168992380310329049424350082988604330140483374007' --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":"34015831905184645665563302826217709590621655359072398850729612742767504746242410529524687922944522708583954772532243567185943614891010388197906089765255918214028267232393138241316033329577512393339582166695322646779357961852550120908567381351817091595187952882415897946663950190239880174492426109926598906392908276788584726839762535672553844927378221638681491686248308569155235268834937881055089031780779638482841895651680112116220556649007523722510418889290072496731179447417368372230252556953925271353680188179713315637640702015213960611985427817453266843908432515130853696547840254345627937955408598130544175089004846732624971194859850837542050114272529726941174095542743144560403232642040535361919354339909588688683174677711658072325952086261190581812603878934747057640790407482794895926968165482755244892489094748132132427793330193392794343675051318370996592951073453429150566388497384635217332082709620410583587783889014716900843430644246758390680012751336503526043969228604295202522198454700648301917755759487558460168992380310329049424350082988604330140483374007"},"decimal":false,"detail":2}}'