Divisor 25556

To determine if any number is divisible by 25556, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 6389 - then it is divisible by 25556.

The following tests must pass:

• Test if a number is divisible by 4
• The "Matthias Windrich Test" for Divisibility by 6389

Easy!