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 '450029735106429114973718448854332501181959840916225441717430128575076697234996199510435218904673930225032356223722737628242162541956052565393539304233149474803469453680784152965993157544652570451311124425159931768542539327234339879071926300066591024295280806667716223347872685795424901678963549479385852086547261456851360269394995604555300321699912586534168061190673952083903362365514358755037263476187918717817707069461293897582622998189717754098481794703058380859966755235961685740694279614433633682777034618355079464448693068645592099785436132524715367895395568473662115667774331897749484329942758152698945805714195189319572571407703693242705016718561906987416772113143788466277114715527687342280216265179749468590977245892606491116004065415484271' --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":"450029735106429114973718448854332501181959840916225441717430128575076697234996199510435218904673930225032356223722737628242162541956052565393539304233149474803469453680784152965993157544652570451311124425159931768542539327234339879071926300066591024295280806667716223347872685795424901678963549479385852086547261456851360269394995604555300321699912586534168061190673952083903362365514358755037263476187918717817707069461293897582622998189717754098481794703058380859966755235961685740694279614433633682777034618355079464448693068645592099785436132524715367895395568473662115667774331897749484329942758152698945805714195189319572571407703693242705016718561906987416772113143788466277114715527687342280216265179749468590977245892606491116004065415484271"},"decimal":false,"detail":2}}'