Divisor 28189

To determine if any number is divisible by 28189, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 4027 - then it is divisible by 28189.

The following tests must pass:

• Test if a number is divisible by 7
• The "Alyx Test" for Divisibility by 4027

Easy!