divrules

    Rule                                                       Try it with 216! Is it divisible?
2       The one�s digit is 0, 2, 4, 6, 8                     Yes, it ends in 6.
                                                                          So, 216 is divisible by 2.

3       The sum of the digits is divisible by 3         Yes 2 + 1 + 6 = 9.
                                                                         9 is divisible by 3.
                                                                        So, 216 is divisible by 3.

4      The last two digits are divisible by 4           Yes, 16 is divisible by 4.
                                                                       So, 216 is divisible by 4.

5      The one�s digit is 5 or 0                            No. 216 does not end in a 5 or 0.
                                                                       So, 216 is NOT divisible by 5.

6      The number is divisible by both
                    3 and 2                                        Yes, 216 is divisible by both 2 and 3.
                                                                       So, 216 is divisible by 3.

9      The sum of the digits is divisible by 9.         Yes 2 + 1 + 6 = 9.
                                                                        9 is divisible by 9.
                                                                       So, 216 is divisible by 9.

10      The number ends in 0.                            No. 216 does not end in a 0.
                                                                        So, 216 is NOT divisible by 10.

Divisibility Rules