Divisor 19715

To determine if any number is divisible by 19715, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 5 and 3943 - then it is divisible by 19715.

The following tests must pass:

• Test if a number is divisible by 5
• The "Wiidix Test" for Divisibility by 3943

Easy!