Divisibility Rules
2: The number is even
3: The digits add to a number divisible by 3 (ex. 1080 is 1+0+8+0 which is 9, so 1080 is divisible
by 3)
4: It may be possible if the number is even, but you will have to check
5: Number ends in 5 or 0
6: If the number is divisible by 2 & 3, then it’s divisible by 6
7: If all else fails, check 7
8: It may be possible if the number is even, but you will have to check
9: The digits add to a number divisible by 9 (ex. 1080 is 1+0+8+0 which is 9, so 1080 is divisible
by 9)
10: If the number ends in 0