source_code: import java.util.*;
  import java.io.*;
  
  import static java.lang.Math.*;
  
  
  public class cfs584A {
      static long LINF = Long.MAX_VALUE / 4;
      static long IING = Integer.MAX_VALUE / 4;
  
      public static void main(String[] args) {
          FastScanner sc = new FastScanner();
          StringBuilder sb = new StringBuilder();
          int N = sc.nextInt();
          int[] nums = sc.readIntArray(N);
          ArrayList<Integer> num = new ArrayList<>();
  
          for (int i = 0; i < N; i++) {
              num.add(nums[i]);
          }
  
  
          int count = 0;
          while (!num.isEmpty()) {
              count++;
              int size = num.size();
              int min = 200;
              for (int j = size-1; j >=0; j--) {
                  if (num.get(j) < min) {
                      min = num.get(j);
                  }
              }
              for (int j = size-1; j >=0; j--) {
                  int div = num.get(j) / min;
                  if ((div * min) == num.get(j)) {
                      num.remove(j);
                  }
              }
          }
          sb.append(count);
  
          System.out.print(sb);
      }
  
      static void Assert(boolean b) {
          if (!b) throw new Error("Assertion Failed");
      }
  
      static class Pair implements Comparable<Pair> {
          int x, y;
  
          Pair(int _x, int _y) {
              x = _x;
              y = _y;
          }
  
          public int compareTo(Pair o) {
              int c1 = Integer.compare(x, o.x);
              return c1 != 0 ? c1 : Integer.compare(y, o.y);
          }
  
      }
  
      public static class FastScanner {
          BufferedReader br;
          StringTokenizer st;
  
          public FastScanner(Reader in) {
              br = new BufferedReader(in);
          }
  
          public FastScanner() {
              this(new InputStreamReader(System.in));
          }
  
          String next() {
              while (st == null || !st.hasMoreElements()) {
                  try {
                      st = new StringTokenizer(br.readLine());
                  } catch (IOException e) {
                      e.printStackTrace();
                  }
              }
              return st.nextToken();
          }
  
          int nextInt() {
              return Integer.parseInt(next());
          }
  
          long nextLong() {
              return Long.parseLong(next());
          }
  
          double nextDouble() {
              return Double.parseDouble(next());
          }
  
          String readNextLine() {
              String str = "";
              try {
                  str = br.readLine();
              } catch (IOException e) {
                  e.printStackTrace();
              }
              return str;
          }
  
          int[] readIntArray(int n) {
              int[] a = new int[n];
              for (int idx = 0; idx < n; idx++) {
                  a[idx] = nextInt();
              }
              return a;
          }
  
          long[] readLongArray(int n) {
              long[] a = new long[n];
              for (int idx = 0; idx < n; idx++) {
                  a[idx] = nextLong();
              }
              return a;
          }
      }
  }
  