Prime numbers

Series of prime number

var count = 0 ;
var number = 2 ;
while (count < 20)
{
 div_count=0;
 for (var i=1;i<=number;i++)
 {
  if ((number% i)==0)
  {
   div_count++;
  }
 }
 if (div_count<3)
 {
  console.log(number." is prime ";
  count= count+1;
 }
 number=number+1;
}

OUTPUT

2 is prime 
3 is prime 
5 is prime 
7 is prime 
11 is prime 
13 is prime 
17 is prime 
19 is prime 
23 is prime 
29 is prime 
31 is prime 
37 is prime 
41 is prime 
43 is prime 
47 is prime 
53 is prime 
59 is prime 
61 is prime 
67 is prime 
71 is prime