Prime Number Program in VB.Net

In this article, we will see Prime Number Program in VB.Net.

Prime Number Program in VB.Net
A prime number is a number that is divisible only by 1 and itself.
For example :
5 is a prime number as it is divisible by 1 and 5.
6 is not a prime number as it is divisible by 1,2,3 and 6.

Program :Prime Number Program in VB.Net
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Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Threading.Tasks

Namespace ConsoleApp1
Class Program
Private Shared Sub Main(ByVal args As String())
Dim number As Integer
Dim count As Integer = 0
Console.Write("Check whether a number is Prime or not :" & vbLf)
Console.Write("—————————————")
Console.Write(vbLf & vbLf)
Console.Write("Enter an number : ")
number = Convert.ToInt32(Console.ReadLine())

For i As Integer = 1 To number

If number Mod i = 0 Then
count += 1
End If
Next

If count = 2 Then
Console.WriteLine("{0} is a Prime Number." & vbLf, number)
Else
Console.WriteLine("{0} is not a Prime Number." & vbLf, number)
End If

Console.ReadKey()
End Sub
End Class
End Namespace

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Result :

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