Divisor 15788

To determine if any number is divisible by 15788, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 3947 - then it is divisible by 15788.

The following tests must pass:

• Test if a number is divisible by 4
• The "Daniel Smith Test" for Divisibility by 3947

Easy!