Divisor 27725

To determine if any number is divisible by 27725, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 25 and 1109 - then it is divisible by 27725.

The following tests must pass:

• Test if a number is divisible by 25
• The "Gyrdon Test" for Divisibility by 1109

Easy!