Check whether 6n can end with the digit 0 for any natural number n
If any digit has last digit 10 that means it is divisible by 10 and the factors of 10 = 2 × 5.
So value 6n should be divisible by 2 and 5 both 6n is divisible by 2 but not divisible by 5 So it can not end with 0.
