Divisor 21512

To determine if any number is divisible by 21512, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 8 and 2689 - then it is divisible by 21512.

The following tests must pass:

• Test if a number is divisible by 8
• The "Ethan V Test" for Divisibility by 2689

Easy!