Need help with switch in swift

Question

var a=2
switch a
{
case 2,3,5,7,11:
print("the given number is prime number")
fallthrough
case 2,4,6,8,10:
print("the given number is even also")

case 1,3,5,7,9:
print("the given number is odd number also")
default:
print("invalid number")
}
here in this program i want to print if the number is 2 it should print its a prime and even number and if i enter 3 it should reply the number is prime and odd number ..plz any one tell me wht i should chabge in it ...i want to do it by only using switch statement

Answer 1

Then I think do it separately in two switch-case loops