Largest element of array

namespace largestElement
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Random random = new Random();
            int numberOfLines = 10;
            int numberOfColomns = 10;
            int[,] numbers = new int[numberOfLines, numberOfColomns];
            int maxNumber = int.MinValue;
            int replaementElement = 0;

            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                for (int j = 0; j < numbers.GetLength(1); j++)
                {
                    numbers[i, j] = random.Next(int.MinValue, int.MaxValue);
                }
            }

            Console.WriteLine("Исходная матрица:");

            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                for (int j = 0; j < numbers.GetLength(1); j++)
                {
                    Console.Write(numbers[i, j] + " ");
                }

                Console.WriteLine();
            }

            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                for (int j = 0; j < numbers.GetLength(1); j++)
                {
                    if (numbers[i, j] > maxNumber)
                    {
                        maxNumber = numbers[i, j];
                    }
                }
            }

            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                for (int j = 0; j < numbers.GetLength(1); j++)
                {
                    if (numbers[i, j] == maxNumber)
                    {
                        numbers[i, j] = replaementElement;
                    }
                }
            }

            Console.WriteLine();
            Console.WriteLine("Измененная матрица:");

            for (int i = 0; i < numbers.GetLength(0); i++)
            {
                for (int j = 0; j < numbers.GetLength(1); j++)
                {
                    Console.Write(numbers[i, j] + " ");
                }

                Console.WriteLine();
            }

            Console.WriteLine($"\n\nМаксимальное значение массива: {maxNumber}.");
        }
    }
}