Divisor 21382

To determine if any number is divisible by 21382, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 10691 - then it is divisible by 21382.

The following tests must pass:

• Test if a number is divisible by 2
• The "Aaron Ferrucci Test" for Divisibility by 10691

Easy!