Before reading this code you should know about Prime Numbers
What is Prime Numbers.
The numbers which is divisible by 1 and itself is Prime numbers. Let’s take an example.
3 is prime number because it is only divisible by 1 and 3
4 is not a prime number because it is also divisible by 2
Javascript Code
var flag = 0;
console.log("The prime numbers from 1 to 100 are:")
for(var i = 1;i < 100; i++)
{
flag = 0;
for(var j = 2;j < i; j++)
{
if(i % j == 0)
{
flag = 1;
break;
}
}
if(flag == 0)
{
console.log(i);
}
}The output of the code is
The prime numbers from 1 to 100 are:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
