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 '4586340150638955816945881576159498153433696348752926770603764040367946823108770141880784230767893677701137623622303218830558527360788453629209188094947841706321556286472092602738932330523057685478819306990662915853208269283289791945570239056315855427652821895028930854042485220743379333295358991436205831713459424426877356816803131749' --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":"4586340150638955816945881576159498153433696348752926770603764040367946823108770141880784230767893677701137623622303218830558527360788453629209188094947841706321556286472092602738932330523057685478819306990662915853208269283289791945570239056315855427652821895028930854042485220743379333295358991436205831713459424426877356816803131749"},"decimal":false,"detail":2}}'