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 '13702041386924312392512864770101306761993726377562824243830239393510060573611743552178954788500737416894472931378065544730550714282642199460542007454565633915700213901062262453189571885102145109176856924694404603426006278268287576284928834857833033529656881406978035737222514421978920284485313548854678323315009489217556762307306436399932356339471657127747182559544072918508232710651047756518318262407074180875692163241175026348617857842819615300936300979254192627840080474845741715484699758117564388384333732946240730442022716742073441735596523639402367740627850738714713212424559539015419229650649631940653546024898437155324689891643175790268842403236674087436148114423200853633231950952620673138161452777412932050302871904390128744019332027177647869313274403002450783877856677092992841695805169988963748533522574444766661019966046072418139240280238004394782938646459160834616854576696691992671728113361062729462567404429882142447733125868616705019988597148191925669331707277271867536367763544369261' --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":"13702041386924312392512864770101306761993726377562824243830239393510060573611743552178954788500737416894472931378065544730550714282642199460542007454565633915700213901062262453189571885102145109176856924694404603426006278268287576284928834857833033529656881406978035737222514421978920284485313548854678323315009489217556762307306436399932356339471657127747182559544072918508232710651047756518318262407074180875692163241175026348617857842819615300936300979254192627840080474845741715484699758117564388384333732946240730442022716742073441735596523639402367740627850738714713212424559539015419229650649631940653546024898437155324689891643175790268842403236674087436148114423200853633231950952620673138161452777412932050302871904390128744019332027177647869313274403002450783877856677092992841695805169988963748533522574444766661019966046072418139240280238004394782938646459160834616854576696691992671728113361062729462567404429882142447733125868616705019988597148191925669331707277271867536367763544369261"},"decimal":false,"detail":2}}'