Divisor 12171

To determine if any number is divisible by 12171, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 4057 - then it is divisible by 12171.

The following tests must pass:

• Test if a number is divisible by 3
• The "Shayne Plourde Test" for Divisibility by 4057

Easy!