public class MyClass {
public static void main(String args[]) {
int k = 0;
for (int i = 2; i<= 1001; i++){
boolean f = false;
for (int x = 2; x <= i/2; x++){
if (i % x == 0){
f = true;
break;
}
}
if (!f){
if (k < 10){
System.out.print(i+" ");
k++;
}
else{
System.out.println("");
k=0;
}
}
}
}
}
I hope this helps!