Digital Infotainment

C# Program - Check whether a number is prime or not | Digital Infotainment

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

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int i, n,flag = 0;
Console.Write("Enter a number");
n = int.Parse(Console.ReadLine());
for(i=1;i<=n;i++)
{
if (i % 2 == 0)
flag++;
}
if(flag==2)
Console.Write("The number is Prime");
else
Console.Write("The number is not Prime");
Console.ReadKey();
}
}
}

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C# Program - Check whether a number is palindrome or not | Digital Infotainment

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

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int n, temp, rev=0, pal;
Console.Write("Enter a number");
n = int.Parse(Console.ReadLine());
pal = n;
do
{
temp = n % 10;
rev = rev * 10 + temp;
n = n / 10;
} while (n!=0);
if(rev==pal)
Console.Write("The number is Palindrome");
else
Console.Write("The number is not Palindrome");
Console.ReadKey();
}
}
}

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C# Program - Fibonacci Series | Digital Infotainment

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

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int a=0, b=1, c, n;
Console.Write("Enter a number");
n = int.Parse(Console.ReadLine());
Console.Write("The fibonacci series of the number is:");
Console.Write(" "+a);
Console.Write(" "+b);
c=a+b;
do
{
Console.Write(" " + c);
a = b;
b = c;
c = a + b;
} while (c <= n);
Console.ReadKey();
}
}
}

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C# Program - Factorial of a number | Digital Infotainment

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

namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
int i,f, fact=1;
Console.Write("Enter a number");
f = int.Parse(Console.ReadLine());
for(i=1;i<=f;i++)
fact=fact*i;
Console.Write("The factorial of the number is:"+fact);
Console.ReadKey();
}
}
}

/*Do leave a comment if you find this useful*/