Divisor 4322

To determine if any number is divisible by 4322, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 2161 - then it is divisible by 4322.

The following tests must pass:

• Test if a number is divisible by 2
• The "Michael Grace Test" for Divisibility by 2161

Easy!