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 '941397943479172620797285450633379518146385313801526827574178558515811713164067858518103918050218982120213460988117256611058312522560556946077261655938032220572813982565760081881393094487174678077018447566485494703681716105776034511996979674835196534888685880732695351899481204554605673198697812141332146207915687525439245673331895106100489350658578642122119833025563587240998764009439221871489485862560593006544113587461313848140662499366613386767464570733264043740515180498322141770533958808888329743843167745759932878687065765647367459842410883491683538742292642867724911465911493213551904209245320866596206354939098695399000390616986776354213456433274278462866069826116174384856898496020578224600111507190087986195715350760760660840441314905892774903245573111163480366016004963704909029' --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":"941397943479172620797285450633379518146385313801526827574178558515811713164067858518103918050218982120213460988117256611058312522560556946077261655938032220572813982565760081881393094487174678077018447566485494703681716105776034511996979674835196534888685880732695351899481204554605673198697812141332146207915687525439245673331895106100489350658578642122119833025563587240998764009439221871489485862560593006544113587461313848140662499366613386767464570733264043740515180498322141770533958808888329743843167745759932878687065765647367459842410883491683538742292642867724911465911493213551904209245320866596206354939098695399000390616986776354213456433274278462866069826116174384856898496020578224600111507190087986195715350760760660840441314905892774903245573111163480366016004963704909029"},"decimal":false,"detail":2}}'