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 '13676884201664343701033747972630199905529996850477445741174917461449838016992878623348859336373669988582968435160040360302983884121651317828655074561033925707386566894131201962795204815794617980076558345188428234168606714080084830630363627487245019661268623623289682028586514791432193833532045938356803680463071148522049554457148233249695462345088373011922312788623869744045959091808125485409687698584235042616981018102768577379624923437926723132947206633890172463556310965263949980071635004690414139457850077602992771125858659484107647362143171768140190737205859583202868366843803219263879279241801115456366076394493801799076579767261174624780715016324445286510654631163439955519112713660527430065624628812692824132537534887160632734108812562393693142425227370925547315598498550449352008912347752038400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000341' --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":"13676884201664343701033747972630199905529996850477445741174917461449838016992878623348859336373669988582968435160040360302983884121651317828655074561033925707386566894131201962795204815794617980076558345188428234168606714080084830630363627487245019661268623623289682028586514791432193833532045938356803680463071148522049554457148233249695462345088373011922312788623869744045959091808125485409687698584235042616981018102768577379624923437926723132947206633890172463556310965263949980071635004690414139457850077602992771125858659484107647362143171768140190737205859583202868366843803219263879279241801115456366076394493801799076579767261174624780715016324445286510654631163439955519112713660527430065624628812692824132537534887160632734108812562393693142425227370925547315598498550449352008912347752038400000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000341"},"decimal":false,"detail":2}}'