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 '75064690061293339645319560776501881519554084276964205719277513985016652976086251148280412344954571970463122658812572676051445987075499583611327742451946037884575060920333387239647121566929393929109292155368526843890386286101572045600733861392039339834219365097726299089178830603312899324644451219568635572236374818940395338761365694531201663272694724884074559588320449934646083411372039788332027406004493937050193619362502804370616271759654011461131618344681551525433347614348878540153724427597505859750923112320614827798355478668614016926366258508216818491834350667499301736138154370599035430699697032047472609542806934256453951389242983617970901851189805216350988952835631783329194952466197561802907058931955290103468449136270968717336874333763304023932178886070758453692006950535482847635996452696606172738153039278970989424003834912148550452942793740411200490716871779168059134066555522904559313789945963418906457307045548675932820289108940692650379736454980454047146935035088682194703438595257946722945362357207764781357496657705363380813208858258385040777345516915341789579429009560575200463813941900102199092844467662231175006395853673471201564829301811041185066629739168996193890089500077911' --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":"75064690061293339645319560776501881519554084276964205719277513985016652976086251148280412344954571970463122658812572676051445987075499583611327742451946037884575060920333387239647121566929393929109292155368526843890386286101572045600733861392039339834219365097726299089178830603312899324644451219568635572236374818940395338761365694531201663272694724884074559588320449934646083411372039788332027406004493937050193619362502804370616271759654011461131618344681551525433347614348878540153724427597505859750923112320614827798355478668614016926366258508216818491834350667499301736138154370599035430699697032047472609542806934256453951389242983617970901851189805216350988952835631783329194952466197561802907058931955290103468449136270968717336874333763304023932178886070758453692006950535482847635996452696606172738153039278970989424003834912148550452942793740411200490716871779168059134066555522904559313789945963418906457307045548675932820289108940692650379736454980454047146935035088682194703438595257946722945362357207764781357496657705363380813208858258385040777345516915341789579429009560575200463813941900102199092844467662231175006395853673471201564829301811041185066629739168996193890089500077911"},"decimal":false,"detail":2}}'