Divisor 16557

To determine if any number is divisible by 16557, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 5519 - then it is divisible by 16557.

The following tests must pass:

• Test if a number is divisible by 3
• The "Alyssa Gambone Test" for Divisibility by 5519

Easy!