Divisor 21748

To determine if any number is divisible by 21748, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 5437 - then it is divisible by 21748.

The following tests must pass:

• Test if a number is divisible by 4
• The "Chandler Smith Test" for Divisibility by 5437

Easy!