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 '1796204250721596349790540051538112023551136190916124867652209424470269754262674664156433338815541502729499065820791809082640952823235422409190413709516422946117914641193152293550931849024341152613484930598281040149343282032856644530098972857230456843587212108541390357899172850383368603120441268272259465074602506607785668789668056213980451398291053324257776592224986252325473940106061147950851117133112542918023054134313117864850046769058068330972271394577954013477707930866143234648724186508801216692978280486235148950574697298332861444683539190570318497815753759262123324648633462222921668763482810576621807618591251812918746499758837301371100816806864501911147163513938820185263259459522370910823621318901071562722066963353744597283652848742048251484225430945195431791007720409643254601911412917294201397998865205369073892488087797958075913905103228965301817814497995314259788316784148252669478918031268064029672888695180780383963851341874258484397830106676170021318094844794050965840156114644995794029547170610384607339048487484155928087' --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":"1796204250721596349790540051538112023551136190916124867652209424470269754262674664156433338815541502729499065820791809082640952823235422409190413709516422946117914641193152293550931849024341152613484930598281040149343282032856644530098972857230456843587212108541390357899172850383368603120441268272259465074602506607785668789668056213980451398291053324257776592224986252325473940106061147950851117133112542918023054134313117864850046769058068330972271394577954013477707930866143234648724186508801216692978280486235148950574697298332861444683539190570318497815753759262123324648633462222921668763482810576621807618591251812918746499758837301371100816806864501911147163513938820185263259459522370910823621318901071562722066963353744597283652848742048251484225430945195431791007720409643254601911412917294201397998865205369073892488087797958075913905103228965301817814497995314259788316784148252669478918031268064029672888695180780383963851341874258484397830106676170021318094844794050965840156114644995794029547170610384607339048487484155928087"},"decimal":false,"detail":2}}'