Divisor 15956

To determine if any number is divisible by 15956, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 3989 - then it is divisible by 15956.

The following tests must pass:

• Test if a number is divisible by 4
• The "KARLOS KAZINAKIS Test" for Divisibility by 3989

Easy!