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 '3679563604591521099691675527749707760216573717624243277845559674162799436094243046235908160438221959674193488406132139679238392435245147657538754318138905044187673241348151977837472370326233614621758863883616249108055749756891425881455230964763752010922565659342803725717343757178865383631653803592788504079085976353967419528578090395908615789691044824177403734975780610074537377283345879829531974648374515719894849833960738646403539951172947940789379958582179815309806560522002343328102759705602295737566324910983943716584557158649960182042743567990086656187881632568409136372334423628945042524175312963639706718277202340650941457877138100667603384698828483068996542877242842418629157968073351119311228175308410023663711157572302311334695629906683937635809' --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":"3679563604591521099691675527749707760216573717624243277845559674162799436094243046235908160438221959674193488406132139679238392435245147657538754318138905044187673241348151977837472370326233614621758863883616249108055749756891425881455230964763752010922565659342803725717343757178865383631653803592788504079085976353967419528578090395908615789691044824177403734975780610074537377283345879829531974648374515719894849833960738646403539951172947940789379958582179815309806560522002343328102759705602295737566324910983943716584557158649960182042743567990086656187881632568409136372334423628945042524175312963639706718277202340650941457877138100667603384698828483068996542877242842418629157968073351119311228175308410023663711157572302311334695629906683937635809"},"decimal":false,"detail":2}}'