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(Last two digits divisible by 4)
A number is divisible by 4 if its last two digits form a number divisible by 4. Ignore everything before the last two digits.
Example: Is 12316 divisible by 4? Check the last two digits: 16. Is 16 divisible by 4? Yes (16 = 4 × 4). So 12316 is divisible by 4.
Why: 100 is divisible by 4, so any multiple of 100 is too. Only the last two digits affect the remainder.
