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 '4132964124161855206734968307724739830442230185517193970793203452160835795947662753205961933940348945044147995354138994310134058468734788717069339078576550541629014792828737553436768816822820199030161189170863569817763398631518045711832529333540037207090267916948149094208592689877554954221819313507688526713333402013972516765897461482353866763360441830736489295652243406869431913495866009147929688535157456650771823868514105122079523178334396064042323313585663072439790505860157519290371475477145621462068721805254823842700726006716872205253173804752949471365070066011697763634001395357429009903204130670293241701502313274528779870906636026024254473216177367297426284872587105815316761588207079125480030859695775916509955852113485024611073210442940664845190475013549620085708562781905339792315057197872496071475939606016442282982188523269410059654514007759505390539474803404935021789962194042626167990285213563137196491728581329966697706740508901850247383531104165857715457208262497861122070758123432800962166769170770903335321317443779768087419' --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":"4132964124161855206734968307724739830442230185517193970793203452160835795947662753205961933940348945044147995354138994310134058468734788717069339078576550541629014792828737553436768816822820199030161189170863569817763398631518045711832529333540037207090267916948149094208592689877554954221819313507688526713333402013972516765897461482353866763360441830736489295652243406869431913495866009147929688535157456650771823868514105122079523178334396064042323313585663072439790505860157519290371475477145621462068721805254823842700726006716872205253173804752949471365070066011697763634001395357429009903204130670293241701502313274528779870906636026024254473216177367297426284872587105815316761588207079125480030859695775916509955852113485024611073210442940664845190475013549620085708562781905339792315057197872496071475939606016442282982188523269410059654514007759505390539474803404935021789962194042626167990285213563137196491728581329966697706740508901850247383531104165857715457208262497861122070758123432800962166769170770903335321317443779768087419"},"decimal":false,"detail":2}}'