Divisor 25642

To determine if any number is divisible by 25642, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 12821 - then it is divisible by 25642.

The following tests must pass:

• Test if a number is divisible by 2
• The "Chris Pleasants Test" for Divisibility by 12821

Easy!