Divisor 28401

To determine if any number is divisible by 28401, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 9467 - then it is divisible by 28401.

The following tests must pass:

• Test if a number is divisible by 3
• The "Harry Habib Test" for Divisibility by 9467

Easy!