Divisor 18409

To determine if any number is divisible by 18409, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 41 and 449 - then it is divisible by 18409.

The following tests must pass:

• Test if a number is divisible by 41
• Test if a number is divisible by 449

Easy!