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 '23042867497198550823293014229679123749348494408741455498863934164843737272286978671417597844857313011008833706273861889354703345690960358591926310204396078144992331555403923344854935659245778692366890306976714254387126875584920959333930959006223541727568471383978885473403889712749718850755911869235675049107011099877015195164889208189715017955073271900020161308100822760124960568838061548783032394722850539506830624016165692014891338686445877994446125110434554369961308795828443621168069354112086097341660401597115346223791083265776992600326993159872369614621192638132312552625327695363508036900846248760515784054994962088681064446409544985708224615443196070062232470149280891380333302933450238418020317572923337220317613697095424186212863808414395815197729945865305689666155336886345916118785340948901582387120487623377625074821807650807645204386604800672885741458069828911489346313823962904345553069059019368369310965382935206971846704683321087939837270457645087817710614791740727769344780238345967181767127240971402988234363973199653357747041293324526289716956749485482713324909187718112547290101696680243708041426372220673541686833212324139058635532830156220091177947317382124810021065858163587203646583239321628356222427311967546201529316880437941568749634706216977045552538982145632247882892181469952545220891786560733508476131265002541392147464721213869475687390209495686147572006403104101471772607480405881953945784316013845104920591426003705707' --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":"23042867497198550823293014229679123749348494408741455498863934164843737272286978671417597844857313011008833706273861889354703345690960358591926310204396078144992331555403923344854935659245778692366890306976714254387126875584920959333930959006223541727568471383978885473403889712749718850755911869235675049107011099877015195164889208189715017955073271900020161308100822760124960568838061548783032394722850539506830624016165692014891338686445877994446125110434554369961308795828443621168069354112086097341660401597115346223791083265776992600326993159872369614621192638132312552625327695363508036900846248760515784054994962088681064446409544985708224615443196070062232470149280891380333302933450238418020317572923337220317613697095424186212863808414395815197729945865305689666155336886345916118785340948901582387120487623377625074821807650807645204386604800672885741458069828911489346313823962904345553069059019368369310965382935206971846704683321087939837270457645087817710614791740727769344780238345967181767127240971402988234363973199653357747041293324526289716956749485482713324909187718112547290101696680243708041426372220673541686833212324139058635532830156220091177947317382124810021065858163587203646583239321628356222427311967546201529316880437941568749634706216977045552538982145632247882892181469952545220891786560733508476131265002541392147464721213869475687390209495686147572006403104101471772607480405881953945784316013845104920591426003705707"},"decimal":false,"detail":2}}'