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Divisibility Rules

NumberRule
Divisible Divides with NO REMAINDER
2 If the number is even.
3 If the sum of the digits is divisible by 3. (Can be done multiple times to the number.)
4 If the last two digits is divisible by 4. (There are other rules that may work faster.)
5 If the number ends in 5 or 0.
6 If the number is divisible by 2 and 3.
8 If the last three digits is divisible by 8.
9 If the sum of the digits is divisible by 9. (Can be done multiple times to the number.)
10 If the number ends in 0
12 If the number is divisible by 3 and 4.
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