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 '5530269850667446195687483341445431275571334630644182701170398126375233599815375982952392688826440702947030519092870417919919508360047579356030850984873451521818450898099009016821259007463174679331574582775228851804848682569270358423206679043445217189506728131509350640556426621929732746498515629696436758872939514891589165301178765837323035093245819600648213496188547032767905466489263870673280869254816598969589084197750251364158584088884326167368015010586720807561405549836064731367674297215708519569560250795403318662736118714424327648577759972800377199478291585319065143441089822357542045169396362406071133833277472045514385305972990744883514397561564199956906477446470231629028034092641122727290045311630468325994406455627633411493259022227649981992934814575384572500118985344346694230716803253411' --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":"5530269850667446195687483341445431275571334630644182701170398126375233599815375982952392688826440702947030519092870417919919508360047579356030850984873451521818450898099009016821259007463174679331574582775228851804848682569270358423206679043445217189506728131509350640556426621929732746498515629696436758872939514891589165301178765837323035093245819600648213496188547032767905466489263870673280869254816598969589084197750251364158584088884326167368015010586720807561405549836064731367674297215708519569560250795403318662736118714424327648577759972800377199478291585319065143441089822357542045169396362406071133833277472045514385305972990744883514397561564199956906477446470231629028034092641122727290045311630468325994406455627633411493259022227649981992934814575384572500118985344346694230716803253411"},"decimal":false,"detail":2}}'