Divisible Test:
Divisible by 2 : the number last digit will be 0,2,4,6,8
Divisible by 3 : sum of the number must be divisible by 3 e.g 456=4+5+6=15/3=5 so 456 is divisible by 3
divisible by 4: the last 2 digit must be divisible 4 e,g :724 so last 2digit 24/4=6 its 724 divisible by 4.
Divisible by 5: the digit must be 0 or 5
Divisible by 6: both 2 and 3 rule should be followed to get divisible by 6 (2x3)=6.
Divisible by 8 : The last three digit must be divisible by 8 e.g 5304 so last 3 digit 304/8=38 so 5304 is divisible by 8.
Divisible by 9 : the sum of digit of number must be divisible by 9 e.g 3456 3+4+5+6=18/9=2
so 3456 is divisible by 9