what is javascript program display wheather a number is prime or not
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Question:-
➡ Write a JavaScript program to display whether a number is prime or not.
Program:-
➡ First of all, write this HTML code and then add the JavaScript code inside head using script tag. I am writing them separately.
This is the html code.
<!DOCTYPE html>
<html>
<head>
<title>HTML/JavaScript Code to check prime.</title>
<meta name="viewport" content="width=device-width, initial-scale=1" />
</head>
<body>
</body>
</html>
Now, write the JavaScript code inside script tag.
var x=parseInt(prompt("Please enter an integer number: ", ""))
if (x!=null)
{
var c=0;
for(var a=1;a<=x;a++)
{
if(x%a==0)
c=c+1
}
if (c==2)
alert("The number you entered is Prime.");
else
alert("The number is not Prime.");
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