Divisor 21368

To determine if any number is divisible by 21368, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 8 and 2671 - then it is divisible by 21368.

The following tests must pass:

• Test if a number is divisible by 8
• The "Zachary Read Test" for Divisibility by 2671

Easy!