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 '179481825498391686405155980197502380987465610990143759545828050601672596457582554697959109799128237021859475171347236070825840472734500017654142685476628869320276297727753553205148036056320279300137552716615857426269168208025318008826741522719560953664124731238085587485513837082885970594352041395474978632816284391127027140514385455457067219626741708298438181283858721106302723660921674741971762612787088492112996432143262043919120180406150324626414521401187129452619115296972707138549409169817912009941398955833827145174317379441726664270794395395919119153270073023580127345425146897933192989381629198489824495951005290773658114616286322726796031063848523557898208940982499565854487772111962885794678031359625540323152884737093469252356166242229079480477919694476785567083923099019214471333607989575222416060295525192225271638925886768154033216477242767763909608309145942616255836439780208329740885980987350553823711803225077708821027046060015182480410414835355084222713285423151941412472275118086898068451514150351567934518143343724966150765883788419263003923729257825422854641787451127931888599221698045930056675136843140789021074081947297947614563707234514995727296473439454102316176013724603030887829847' --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":"179481825498391686405155980197502380987465610990143759545828050601672596457582554697959109799128237021859475171347236070825840472734500017654142685476628869320276297727753553205148036056320279300137552716615857426269168208025318008826741522719560953664124731238085587485513837082885970594352041395474978632816284391127027140514385455457067219626741708298438181283858721106302723660921674741971762612787088492112996432143262043919120180406150324626414521401187129452619115296972707138549409169817912009941398955833827145174317379441726664270794395395919119153270073023580127345425146897933192989381629198489824495951005290773658114616286322726796031063848523557898208940982499565854487772111962885794678031359625540323152884737093469252356166242229079480477919694476785567083923099019214471333607989575222416060295525192225271638925886768154033216477242767763909608309145942616255836439780208329740885980987350553823711803225077708821027046060015182480410414835355084222713285423151941412472275118086898068451514150351567934518143343724966150765883788419263003923729257825422854641787451127931888599221698045930056675136843140789021074081947297947614563707234514995727296473439454102316176013724603030887829847"},"decimal":false,"detail":2}}'