Divisor 21572

To determine if any number is divisible by 21572, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 5393 - then it is divisible by 21572.

The following tests must pass:

• Test if a number is divisible by 4
• The "Lydia H Test" for Divisibility by 5393

Easy!