Divisor 24993

To determine if any number is divisible by 24993, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 9 and 2777 - then it is divisible by 24993.

The following tests must pass:

• Test if a number is divisible by 9
• The "Mike Pepper Test" for Divisibility by 2777

Easy!