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 '2493704122302382387933138883686126305191862038306131767473389138836555544221640462667512022818263104050416094217954421821168488237631093955934455407716066000261455994321162252245672429738594237981609110726052246857405581289928508839305868990234444525801409493404623645896473703163608609637536920859120253444863933530557620013729545976166760425013783554213703119052442036003175561845148195862401985850017354796251922611456183699332101780781720681434256904536962975301835502416586858590420636279016209406974370906334940369989183560582609166680920964722490496651714144230414785199504788434976736790202896305690180070716153775805598091412414496133554693897873136292038149022827298928642709699903354031327189752277640289567509368115245239224798506814097300887138201152063389189241417605908394476866556805438226263268347906715922445476186036626038699664866353895474515650460447497907406508309855952413172576292131239517295263912589427727440208540611150371852171968791220009663195793210520880353848947960049110168090835560842659659571825573735691655249993236019412681800033214201388350216677744526345786587361160888061452833343881540854145447530385613690899601004900542476717506109560065828189897439722680735429149431730071304023185679849460503977932714522480984636233969397617771743470735083463445621153233547838485767573622737295940895555546575827662625383553736909451620981499900922091835823344506927658536856898594843868602110817520134374995483659075267422227900084697781898899319581484770954788245136329967721606610628464236220410253049421490810363233217320737519812085469614406824570396470883623160217497322605355868368515169091426255919927932572857237093993321' --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":"2493704122302382387933138883686126305191862038306131767473389138836555544221640462667512022818263104050416094217954421821168488237631093955934455407716066000261455994321162252245672429738594237981609110726052246857405581289928508839305868990234444525801409493404623645896473703163608609637536920859120253444863933530557620013729545976166760425013783554213703119052442036003175561845148195862401985850017354796251922611456183699332101780781720681434256904536962975301835502416586858590420636279016209406974370906334940369989183560582609166680920964722490496651714144230414785199504788434976736790202896305690180070716153775805598091412414496133554693897873136292038149022827298928642709699903354031327189752277640289567509368115245239224798506814097300887138201152063389189241417605908394476866556805438226263268347906715922445476186036626038699664866353895474515650460447497907406508309855952413172576292131239517295263912589427727440208540611150371852171968791220009663195793210520880353848947960049110168090835560842659659571825573735691655249993236019412681800033214201388350216677744526345786587361160888061452833343881540854145447530385613690899601004900542476717506109560065828189897439722680735429149431730071304023185679849460503977932714522480984636233969397617771743470735083463445621153233547838485767573622737295940895555546575827662625383553736909451620981499900922091835823344506927658536856898594843868602110817520134374995483659075267422227900084697781898899319581484770954788245136329967721606610628464236220410253049421490810363233217320737519812085469614406824570396470883623160217497322605355868368515169091426255919927932572857237093993321"},"decimal":false,"detail":2}}'