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 '410343356876180818076057568305699876595356612454240890365969082949060109281933452243509054525146164098792427743132796085779387142353677410302333710616282385512132647342081599744276980490066710176352625223648763037265807346486335471157967121056698521209482367722604843361170988244547356193703668431301408314998388168901055292108032769243597976739211866746110612005043918992828486024081765279764315358967466812454181873991705148363432952058546874661675441098436314988070010273061955320274455377169881617337984776027979224555239574357640094786053677111548012417313877562660145276242272580828341757373956447601366713555886466971737210961792707534100679819080763217469270030366343522216738631615391575192790390642356297508296414200710552864040640463155001728276001140441077253582682682762838779643676283545493950182324444951967991310044914389162900681083489666995746339906308016341737880965252219619856627025480043785068055255989093935641517407211303557631840293602213284776564666699258344728330204415679082018449497467685770470501399379663485289640905032691135205778154337771837110042985782400606214480195155075535837381455595069195914709792453292008359002690673313783628678918236329853281042542244497059419695397080812613427395711759664229844790376019762995251841115598324964570033377045245711256460375606960717773434255394666792061274546333980420736426791416397548929181468535367761732479409294532346089665524627163752416744554508948023842903064252648287710205273263579351922701969609376294183281041106843884008208587140145631662115208764608725061128255511666984124999369858456379940221997176291902652645355130191560328352335846114421320892715733252481584325998726097402177470586175722817792099310938167568648861946936155078668516532764118289054627157574318743026780778900121559753926616651270858526007903163421480612997724349592941102216713916797767020993476691001152280007550009969212615651301553327022099263744758790295463768416084349155426025389859' --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":"410343356876180818076057568305699876595356612454240890365969082949060109281933452243509054525146164098792427743132796085779387142353677410302333710616282385512132647342081599744276980490066710176352625223648763037265807346486335471157967121056698521209482367722604843361170988244547356193703668431301408314998388168901055292108032769243597976739211866746110612005043918992828486024081765279764315358967466812454181873991705148363432952058546874661675441098436314988070010273061955320274455377169881617337984776027979224555239574357640094786053677111548012417313877562660145276242272580828341757373956447601366713555886466971737210961792707534100679819080763217469270030366343522216738631615391575192790390642356297508296414200710552864040640463155001728276001140441077253582682682762838779643676283545493950182324444951967991310044914389162900681083489666995746339906308016341737880965252219619856627025480043785068055255989093935641517407211303557631840293602213284776564666699258344728330204415679082018449497467685770470501399379663485289640905032691135205778154337771837110042985782400606214480195155075535837381455595069195914709792453292008359002690673313783628678918236329853281042542244497059419695397080812613427395711759664229844790376019762995251841115598324964570033377045245711256460375606960717773434255394666792061274546333980420736426791416397548929181468535367761732479409294532346089665524627163752416744554508948023842903064252648287710205273263579351922701969609376294183281041106843884008208587140145631662115208764608725061128255511666984124999369858456379940221997176291902652645355130191560328352335846114421320892715733252481584325998726097402177470586175722817792099310938167568648861946936155078668516532764118289054627157574318743026780778900121559753926616651270858526007903163421480612997724349592941102216713916797767020993476691001152280007550009969212615651301553327022099263744758790295463768416084349155426025389859"},"decimal":false,"detail":2}}'