Method-1
a = cint(Inputbox("Enter a number to check whether it is a prime number or not"))
count = 0
b = 1
Do while b<=a
aaaif a mod b = 0 Then
aaaaaacount = count +1
aaaEnd If
b=b+1
Loop
If count = 2 Then
aaamsgbox "The number "&a& " is a prime number"
Else
aaamsgbox "The number "&a& " is not a prime number"
End if
Method-2
val=Inputbox("Please enter any number")
valprime = 0
valprime = 0
For i=2 to Int(val/2)
aaaIf val mod I = 0 Then
aaamsgbox "The number"&val&" is not a prime number"
aaavalprime=1
aaaExit for
End If
Next
aaaIf val mod I = 0 Then
aaamsgbox "The number"&val&" is not a prime number"
aaavalprime=1
aaaExit for
End If
Next
If valprime=0 Then
aaamsgbox "The number"&val&" is a prime number"
End If
aaamsgbox "The number"&val&" is a prime number"
End If