Divisor 28142

To determine if any number is divisible by 28142, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 14071 - then it is divisible by 28142.

The following tests must pass:

• Test if a number is divisible by 2
• The "Roel Willems Test" for Divisibility by 14071

Easy!