Divisor 21596

To determine if any number is divisible by 21596, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 5399 - then it is divisible by 21596.

The following tests must pass:

• Test if a number is divisible by 4
• The "Robin Syl Test" for Divisibility by 5399

Easy!