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 '35471302616683338362600509864511388469307455768069312872480154325053913186571586352474811692206941179958284809289951877125130894386827499078350745748228115632610003934879097249026862616040554034763076646478514540188258758920790024733625960120770584061059730096072791778866819782896495228365704017826581865356231630421599581437763308045246918171167571417154823202526883945566367922531220966297318470883967950017934162316707104136140945506240799664911849750632561435197952749327674010564492320448147334403116276956092692662021671571736367575502262065038751580443314694739632192022130858873659328006590091087034899521681276213888524186888317754418035214979613859757267228960659285101967910131602767821435738563258208875421119879678257402584557846607172752974418201' --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":"35471302616683338362600509864511388469307455768069312872480154325053913186571586352474811692206941179958284809289951877125130894386827499078350745748228115632610003934879097249026862616040554034763076646478514540188258758920790024733625960120770584061059730096072791778866819782896495228365704017826581865356231630421599581437763308045246918171167571417154823202526883945566367922531220966297318470883967950017934162316707104136140945506240799664911849750632561435197952749327674010564492320448147334403116276956092692662021671571736367575502262065038751580443314694739632192022130858873659328006590091087034899521681276213888524186888317754418035214979613859757267228960659285101967910131602767821435738563258208875421119879678257402584557846607172752974418201"},"decimal":false,"detail":2}}'