Divisor 29691

To determine if any number is divisible by 29691, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 9 and 3299 - then it is divisible by 29691.

The following tests must pass:

• Test if a number is divisible by 9
• The "Michael Friemann Test" for Divisibility by 3299

Easy!