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 '334504373393128936176172316828551324075073321174934169185048704998187628688868535884612610856218308645146344731192272728909934850979234356849881924203233024105993190227108264461508855314302331087022141386790618568617889991646998923324870556961772015128190594673986594499606762216423397829353331685366729085123542899754950772520795502789538102086125319813452658789412896731394091759077454465202842029505759628123155593905623974940876591121807368288829150668044816124405661286323444241760456101726903377971276553813573250866839194484071613444818484457900001612489922596320209754046904962734736626987913171423861012413227101116375208705810927571603852569998131807903784653350207863920164983027634309000676037571467766746484510502385618867042675539937429379558280420574692164188422101334888050136579024746378494191178430963701148706393076848064504890975167732691033530536281985572201670446324621321596817614494309182943597012668795433986763052916594471240495256368738897653334769641533594008384774696141879036025438802458193860693920534987806940020648952273393' --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":"334504373393128936176172316828551324075073321174934169185048704998187628688868535884612610856218308645146344731192272728909934850979234356849881924203233024105993190227108264461508855314302331087022141386790618568617889991646998923324870556961772015128190594673986594499606762216423397829353331685366729085123542899754950772520795502789538102086125319813452658789412896731394091759077454465202842029505759628123155593905623974940876591121807368288829150668044816124405661286323444241760456101726903377971276553813573250866839194484071613444818484457900001612489922596320209754046904962734736626987913171423861012413227101116375208705810927571603852569998131807903784653350207863920164983027634309000676037571467766746484510502385618867042675539937429379558280420574692164188422101334888050136579024746378494191178430963701148706393076848064504890975167732691033530536281985572201670446324621321596817614494309182943597012668795433986763052916594471240495256368738897653334769641533594008384774696141879036025438802458193860693920534987806940020648952273393"},"decimal":false,"detail":2}}'