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 '24271336217760770601447210496726526116522421692164017859931974981423164300561695617183793418294262620769995435818841763624033527882622020671418847030614900060519673397845024590180572517183768175097165537428183118917850028052129365882078449809595270173475775128347233819312315481239937210406973137648680929267992835216873862508883734449923005690228436055757429936856316806355332932436888267454307374110034515321822362697626170547412418139688258121451095846349306793852960334912655101253238035253934581789337441525293128850668150349793062129423754541586170235392430908327779074013778690698584345422827377184330125956874424100534877658890236502922802587611232955805587389530958391026191666193984444439752619369720586971192981389146061504275644522069780671250557146930783612455313980809852430758863489017900257534138540823465839910918429594178103744335227521153050826703248278480974044236723' --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":"24271336217760770601447210496726526116522421692164017859931974981423164300561695617183793418294262620769995435818841763624033527882622020671418847030614900060519673397845024590180572517183768175097165537428183118917850028052129365882078449809595270173475775128347233819312315481239937210406973137648680929267992835216873862508883734449923005690228436055757429936856316806355332932436888267454307374110034515321822362697626170547412418139688258121451095846349306793852960334912655101253238035253934581789337441525293128850668150349793062129423754541586170235392430908327779074013778690698584345422827377184330125956874424100534877658890236502922802587611232955805587389530958391026191666193984444439752619369720586971192981389146061504275644522069780671250557146930783612455313980809852430758863489017900257534138540823465839910918429594178103744335227521153050826703248278480974044236723"},"decimal":false,"detail":2}}'