Comment on And 299999999 is divisible by 13

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TwilightKiddy@programming.dev ⁨1⁩ ⁨month⁩ ago

Well, on the side of easy ones there is “if the last digit is divisible by 2, whole number is divisible by 2”. Also works for 5. And if you take last 2 digits, it works for 4. And the legendary “if it ends with 0, it’s divisible by 10”.

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