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 '1409461586176844167070279052173258945033179111500611010401033833080965046035939712358245645441577151057526089940132682617091511412353901374447828283272992759840356023109439111648239328557784653060962981820420465958287067133476145109679383720260371708629562520416214906668397448934585059901531940385484544308701789573461386115341609535802681473731289520297497091827922313636099540169815570144340208039686824202176066297176430822662164483068668284110211883903197758156127677969821649945372579364968700401748332909633681104808215195066705719253439299090844934130652723411619589073212773833261563588373055258037824779177434276983447082622406053379477258357208857496561308511192466341725180369794768634476994373719601401579580816026725968011079573950550485489799710143576500371422344587787234972207680836470441212198776788836048261048350817415977914029893600174784107267956588228190360300726600192992958620684768651666003538351727894720563464658134689157211494385036746121612127467595323925986602620260135442725855187311634100604691150422456865751057707706598591504701485357283677541046213189165902688058492624971646601134404619379666572587027409049481276193373928689961354165523030810384765736143572836710384674829528437410089560343190633165035670953833407389030526868665900318157305144435734235082197957023777745877094483732917900021195949279106649495588220341176585272933712755950720243932862954595715704608437247909605145190155138395443417446501984278442342393807873561436725890473481321993020728869710625546365009752754850567840244646730710824953731009642098244874698094090869306259486403885389424015697705390125747753744709447212807460155350623776661455578289' --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":"1409461586176844167070279052173258945033179111500611010401033833080965046035939712358245645441577151057526089940132682617091511412353901374447828283272992759840356023109439111648239328557784653060962981820420465958287067133476145109679383720260371708629562520416214906668397448934585059901531940385484544308701789573461386115341609535802681473731289520297497091827922313636099540169815570144340208039686824202176066297176430822662164483068668284110211883903197758156127677969821649945372579364968700401748332909633681104808215195066705719253439299090844934130652723411619589073212773833261563588373055258037824779177434276983447082622406053379477258357208857496561308511192466341725180369794768634476994373719601401579580816026725968011079573950550485489799710143576500371422344587787234972207680836470441212198776788836048261048350817415977914029893600174784107267956588228190360300726600192992958620684768651666003538351727894720563464658134689157211494385036746121612127467595323925986602620260135442725855187311634100604691150422456865751057707706598591504701485357283677541046213189165902688058492624971646601134404619379666572587027409049481276193373928689961354165523030810384765736143572836710384674829528437410089560343190633165035670953833407389030526868665900318157305144435734235082197957023777745877094483732917900021195949279106649495588220341176585272933712755950720243932862954595715704608437247909605145190155138395443417446501984278442342393807873561436725890473481321993020728869710625546365009752754850567840244646730710824953731009642098244874698094090869306259486403885389424015697705390125747753744709447212807460155350623776661455578289"},"decimal":false,"detail":2}}'