Divisor 21363

To determine if any number is divisible by 21363, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 7121 - then it is divisible by 21363.

The following tests must pass:

• Test if a number is divisible by 3
• The "Stephane Zanoni Test" for Divisibility by 7121

Easy!