1. Check divisibility by 3
1.
Both checks must pass.
The digit sum is a multiple of three.
Add the digits; the sum must be a multiple of three.
Rules - all (small N)
3 visual steps / divisibility rule
2. Check divisibility by 4
2.
Both checks must pass.
The last two digits divide by four exactly.
Read the last two digits; they must divide by four exactly.
3. Both rules pass
3.
Both checks must pass.
Yes
Yes - the number is divisible by twelve.
The number is divisible by twelve.
Practice Level 29
Use the visible move, then type only when the answer is clear.
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