Question

Using the divisibility rules, explain why 678 is divisible by 2, 3, and 6.

Answer 1

678

678 is even, so it's divisible by 2

6+7+8 = 21, which is divisible by 3, so 678 is divisible by 3

Since 678 is divisible by both 2 and 3, it has to be divisible by 6

Explanation: