Check the divisibility of by .
According to the divisibility by :
A number is divisible by , if the number formed by the last two digits( i.e., ones and tens digit) is divisible by .
For example:
Consider the number
the number by tens and units digits and is divisible by
therefore, the number is divisible by
Now, we have ,
the number by tens and units digits and is not divisible by .
Thus, is not divisible by .