Divisor 13551

To determine if any number is divisible by 13551, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 4517 - then it is divisible by 13551.

The following tests must pass:

• Test if a number is divisible by 3
• The "Damien Conlon Test" for Divisibility by 4517

Easy!