Divisor 20285

To determine if any number is divisible by 20285, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 5 and 4057 - then it is divisible by 20285.

The following tests must pass:

• Test if a number is divisible by 5
• The "Shayne Plourde Test" for Divisibility by 4057

Easy!