lab 4 summation of prime number

void setup() {
  int number=30;
  int divide=2;
  int count=2;
  int sum=0;
  boolean primeNum = true;

  while (count<=number) {
    while (divide<count) {
      if (count%divide==0) {
        primeNum=false;
        break;
      } else primeNum=true;
      divide= divide+ 1;
    }
    if (primeNum) {
      print(count+" ");
      sum=sum+count;
    }
    divide=2;
    count= count +1;
  }
  println(" ");
  println("Sum = "+sum);
}