Divisor 15838

To determine if any number is divisible by 15838, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 7919 - then it is divisible by 15838.

The following tests must pass:

• Test if a number is divisible by 2
• The "Don Newell Test" for Divisibility by 7919

Easy!