Divisor 4223

To determine if any number is divisible by 4223, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 41 and 103 - then it is divisible by 4223.

The following tests must pass:

• Test if a number is divisible by 41
• Test if a number is divisible by 103

Easy!