Lab4_Prime_Number

/////PRIME NUMBER////
void setup() {
  size(500, 200);
  background(0);
  int n=15;//number
  int count=2;
  int sum=0;
  int divNo=2;
  int posx=0;
  while (count<=n) {
    if (PrNum_result(count)) {
      sum=sum+count;
      textSize(20);
      text(count, 30+posx, 100);
      posx=posx+30;
    }
    count+=1;
  }
  text("Sum is = "+sum, 30, 150);
}
boolean PrNum_result(int count) {
  int divNo=2;
  boolean pr=true; //first one =2
  while (divNo<count) {
    if (count%divNo==0) {
      pr=false;
      break;
    }
    pr=true;
    divNo+=1;
  }
  return pr;
}