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 '8678054386953933597988965880736209757990107516386142783906113119950912094321872865888185611366941366621916967272480035376491746042490389111702288740267127730109922684008029944865249702776926903625864942773260486716856511649900995355383897818901969297474043821966095581546392762063151341116559887165825686456918591194170483653847356223857593886706254661285658125927068694501673167519635271614433304985274010905107907480513699650133193845442626090248575598521433199351002247494941296262599831435936547032644223114955665733877264441757830285257797604611193019863736266002715341625356951100373049941754513715541200444568633211627206806737176043830821707971895633081605267450743691399978321479127074987829552526024525683306560035738824562757054159184989319167847492111977498024177970546102220340832033800818909401894343290496000238708825764146290073221577868084506386279467166668705904761070552706267903704801924152977357787539548462981641857902785977823441267935840904338641688489307246799858414944673297415959347861382063932475902621995330217727892843267012535359942819207910369601474331860734045000472486609751335270294600297876744429179349571479943971993705161435173861913403108549675413800904057658091878713808988860660358782458945730110095384873816915732338850724423328213238331771869356515621020155257537247011624498234729' --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":"8678054386953933597988965880736209757990107516386142783906113119950912094321872865888185611366941366621916967272480035376491746042490389111702288740267127730109922684008029944865249702776926903625864942773260486716856511649900995355383897818901969297474043821966095581546392762063151341116559887165825686456918591194170483653847356223857593886706254661285658125927068694501673167519635271614433304985274010905107907480513699650133193845442626090248575598521433199351002247494941296262599831435936547032644223114955665733877264441757830285257797604611193019863736266002715341625356951100373049941754513715541200444568633211627206806737176043830821707971895633081605267450743691399978321479127074987829552526024525683306560035738824562757054159184989319167847492111977498024177970546102220340832033800818909401894343290496000238708825764146290073221577868084506386279467166668705904761070552706267903704801924152977357787539548462981641857902785977823441267935840904338641688489307246799858414944673297415959347861382063932475902621995330217727892843267012535359942819207910369601474331860734045000472486609751335270294600297876744429179349571479943971993705161435173861913403108549675413800904057658091878713808988860660358782458945730110095384873816915732338850724423328213238331771869356515621020155257537247011624498234729"},"decimal":false,"detail":2}}'