public void GiveAllPrimeFactorsOfGivenNumber()
        {
            int    a          = 10;
            string expected   = "2*5";
            var    allFactors = new PrimeFactorsCalculator();

            string actual = allFactors.Factors(a);

            Assert.Equal(expected, actual);
        }
        static void Main(string[] args)
        {
            var getPrimeString = new PrimeFactorsCalculator();

            WriteLine(getPrimeString.Factors(359));
        }