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 '5559054070095561811501498055589337032087816456520432895996338264057396667215753186863669458546528729197937065826616218079378192537347423350330172803777981153879374854222014127784113082989472508393308357848887945408258329840425737350786586280593417131530808685893067442717155589341328379775470825075180904128962704243997492665048127221040969038953185574079114491926174449064874803229645701821266741700277947373670670404427926907598999107150071484926351647989627602607261752892985810384929579976689794229400001228883300965687039316466589166969405692824001281975562162252039118338416126804349842668453060473285404459162930799201946023659181877701910886483698112796609640803970813171100057735774365048734349819857200232772354059914907817151337554193290093054547720486578600784096601' --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":"5559054070095561811501498055589337032087816456520432895996338264057396667215753186863669458546528729197937065826616218079378192537347423350330172803777981153879374854222014127784113082989472508393308357848887945408258329840425737350786586280593417131530808685893067442717155589341328379775470825075180904128962704243997492665048127221040969038953185574079114491926174449064874803229645701821266741700277947373670670404427926907598999107150071484926351647989627602607261752892985810384929579976689794229400001228883300965687039316466589166969405692824001281975562162252039118338416126804349842668453060473285404459162930799201946023659181877701910886483698112796609640803970813171100057735774365048734349819857200232772354059914907817151337554193290093054547720486578600784096601"},"decimal":false,"detail":2}}'