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 '7449715930701108257379756844092042717199952588505244664056000542847288120197021156436938584414518741816423700201781006725081679187448723215285126491829313021442339729822721418338346445272177446742986820197980602457526189584236413786492036206206635494528511447678843678138654652145601087980997709426697732828137019134488257882499342583257259474207474908743816263697471047934768191644106401867867213191377888537121541726184061267582306996598412870699319576458478602353480919551443297139692015248057433677253177352598321213225743535287133415315032699058845956537228704621645369737375493669282618706541196396466468866263645003555580831799234442761763186247328269848322100807151138491714891458302444920683019883255148931043652713571598090412817615286608055398155722528523909927261459328318057157003471344936630339656408669930141550825707447786569261777408316236050457298264988349641877' --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":"7449715930701108257379756844092042717199952588505244664056000542847288120197021156436938584414518741816423700201781006725081679187448723215285126491829313021442339729822721418338346445272177446742986820197980602457526189584236413786492036206206635494528511447678843678138654652145601087980997709426697732828137019134488257882499342583257259474207474908743816263697471047934768191644106401867867213191377888537121541726184061267582306996598412870699319576458478602353480919551443297139692015248057433677253177352598321213225743535287133415315032699058845956537228704621645369737375493669282618706541196396466468866263645003555580831799234442761763186247328269848322100807151138491714891458302444920683019883255148931043652713571598090412817615286608055398155722528523909927261459328318057157003471344936630339656408669930141550825707447786569261777408316236050457298264988349641877"},"decimal":false,"detail":2}}'