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 '45940064691075988627129032963456449509530622112747265044687359634653574109455642108172575178260078938264283979430142371865440536613070715444536180789612093343323570333609274342837113934657102435232229068590073490265338383180871900753037223777361301028337705564776968677109322185647966774784467726342238341371111254357956323116165699112465501029252212637548059029923316053489790400484423532635478606075172334937302707034173999480760758953881137453804609655293242496078489855556493990928844669388587154123338793668132118796128692464535587283440181207531889645000101516434026986254335989531240203447900930558972039311256115182998454940455032309207836806721213218974781660075525908886517600897602146421605650838193129859032619680427002337335761935142633966355688423308516583412762912395181709560198017870697785762973484343288253179628220802778637875012582447847087443194766993619100190789128358500645483260885969559706100246947697333001638668141891977294237431312330525496211702412360457430803866346419501277069371007998328443577741333952231888229533076919' --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":"45940064691075988627129032963456449509530622112747265044687359634653574109455642108172575178260078938264283979430142371865440536613070715444536180789612093343323570333609274342837113934657102435232229068590073490265338383180871900753037223777361301028337705564776968677109322185647966774784467726342238341371111254357956323116165699112465501029252212637548059029923316053489790400484423532635478606075172334937302707034173999480760758953881137453804609655293242496078489855556493990928844669388587154123338793668132118796128692464535587283440181207531889645000101516434026986254335989531240203447900930558972039311256115182998454940455032309207836806721213218974781660075525908886517600897602146421605650838193129859032619680427002337335761935142633966355688423308516583412762912395181709560198017870697785762973484343288253179628220802778637875012582447847087443194766993619100190789128358500645483260885969559706100246947697333001638668141891977294237431312330525496211702412360457430803866346419501277069371007998328443577741333952231888229533076919"},"decimal":false,"detail":2}}'