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 '29912494725322747370589199975801537323064351039657185816405687766008666549544136313035406429833851722279673349950638557415566122573992224292017326876729327319341823434915498196619307690450399216598493680080087170671316618217269663228152479512263361979583792322826746847798065903101622323097917479263558735122685478678381028728783830061251863771383421777507360689682949748060763598637873672564935002891942910404315687187889642648686496027519016723984154293035026875050417236069647016284399755669524438766447861599678335925367473638268304449155498790992094344715063610005806805056830524169343877884346589079069557385742326380955986990059979215413198704097976793630938393116997645983484714397511364128474391504346245504908922371215282121423126644792238669' --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":"29912494725322747370589199975801537323064351039657185816405687766008666549544136313035406429833851722279673349950638557415566122573992224292017326876729327319341823434915498196619307690450399216598493680080087170671316618217269663228152479512263361979583792322826746847798065903101622323097917479263558735122685478678381028728783830061251863771383421777507360689682949748060763598637873672564935002891942910404315687187889642648686496027519016723984154293035026875050417236069647016284399755669524438766447861599678335925367473638268304449155498790992094344715063610005806805056830524169343877884346589079069557385742326380955986990059979215413198704097976793630938393116997645983484714397511364128474391504346245504908922371215282121423126644792238669"},"decimal":false,"detail":2}}'