Divisor 29919

To determine if any number is divisible by 29919, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 9973 - then it is divisible by 29919.

The following tests must pass:

• Test if a number is divisible by 3
• The "Andrey Feofilaktov Test" for Divisibility by 9973

Easy!