השוואה בין מערכים #C

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{

class Program
{
static void Main(string[] args)
{
Random ranNum = new Random();
int[] arr1 = new int[5];
int[] arr2 = new int[5];
int equal =0;
for (int i = 0; i < arr1.Length; i++)
{
arr1[i] = ranNum.Next(1, 11);
}
for (int i = 0; i < arr2.Length; i++)
{
arr2[i] = ranNum.Next(1, 11);
}

equal = CheckIfHaveEqualNumbers(arr1, arr2);

Console.WriteLine("There are a {0} numbers equal in the both arrays", equal);
}

static int CheckIfHaveEqualNumbers( int[] arr1, int[] arr2)
{
int equal = 0;
for (int i = 0; i < arr1.Length; i++)
{
for (int j = 0; j < arr2.Length; j++)
{
if (arr1[i] == arr2[j])
{
equal++;
break;
}
}
}
return equal;
}
}
}