Problem 42406. Divisible by 4

Pursuant to the first problem in this series, this one involves checking for divisibility by 4.

Write a function to determine if a number is divisible by 4. This can be checked by a few slightly different methods:

  1. Check the last two digits for divisibility by four.
  2. From the wikipedia reference page: "If the tens digit is even, the ones digit must be 0, 4, or 8. If the tens digit is odd, the ones digit must be 2 or 6."
  3. Check the following sum for divisibility by four: twice the tens digit plus the ones digit.

Previous problem: divisible by 3. Next problem: divisible by 5.

Solution Stats

43.83% Correct | 56.17% Incorrect
Last Solution submitted on Jul 09, 2020

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