Divisor 21579

To determine if any number is divisible by 21579, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 7193 - then it is divisible by 21579.

The following tests must pass:

• Test if a number is divisible by 3
• The "Nic F. Test" for Divisibility by 7193

Easy!