Divisor 9143

To determine if any number is divisible by 9143, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 41 and 223 - then it is divisible by 9143.

The following tests must pass:

• Test if a number is divisible by 41
• Test if a number is divisible by 223

Easy!