In this C# program, we will learn how to write a program to print all the prime numbers between 1 to 100 or any N^{th} number.

A prime number (or a prime) is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers and divided by 1 or itself. In other words, prime numbers can't be divided by other numbers than itself or 1.

**For example,** 7 is prime because the only ways of writing it as a product, 1 × 7 or 7 × 1, involve 7 itself.

Here is the code of the program to print all the prime numbers between 1 to 100 or any N^{th} number.:

```
using System;
namespace TutorialsrackPrograms
{
class Program
{
//C# Program to Print All the Prime Numbers Between 1 to 100 or Any Nth Range.
static void Main(string[] args)
{
bool isPrime = true;
Console.WriteLine("Prime Numbers Between 1 To 100: ");
for (int i = 2; i <= 100; i++)
{
for (int j = 2; j <= 100; j++)
{
if (i != j && i % j == 0)
{
isPrime = false;
break;
}
}
if (isPrime)
{
Console.Write("\t" + i);
}
isPrime = true;
}
Console.Read();
}
}
}
```

Prime Numbers Between 1 To 100:

2 3 5 7 11 13 17 19 23 29 31 37 41 43

47 53 59 61 67 71 73 79 83 89 97

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