Divisor 15986

To determine if any number is divisible by 15986, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 7993 - then it is divisible by 15986.

The following tests must pass:

• Test if a number is divisible by 2
• The "Paul Test" for Divisibility by 7993

Easy!