Prime Number
in C#
A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself.
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static void Main(string[]
args) {
Console.WriteLine("Enter a number"); int
number = Convert.ToInt32(Console.ReadLine()); int
result = Check_Prime(number); if
(result == 0) {
Console.WriteLine("{0} is not a prime number",
number); } else {
Console.WriteLine("{0} is a
prime number", number); }
Console.Read(); } private static int
Check_Prime(int number) { int i; for (i =
2; i <= number - 1; i++) { if
(number % i == 0) {
return 0; } } if (i ==
number) { return 1; } return 0; } |
Output
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