Divisor 23073

To determine if any number is divisible by 23073, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 7691 - then it is divisible by 23073.

The following tests must pass:

• Test if a number is divisible by 3
• The "Tim Retout Test" for Divisibility by 7691

Easy!