import java.io.*;
class PrimeNumber
{
public static void main(String[] args) throws Exception
{
int i;
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
System.out.println("Enter number:");
int num = Integer.parseInt(bf.readLine());
System.out.println("Prime number: ");
for (i=1; i < num; i++ )
{
int j;
for (j=2; j<i; j++)
{
int n = i%j;
if (n==0)
{
break;
}
}
if(i == j)
{
System.out.print(" "+i);
}
}
}
}
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