Divisor 12723

To determine if any number is divisible by 12723, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 4241 - then it is divisible by 12723.

The following tests must pass:

• Test if a number is divisible by 3
• The "Roeland Test" for Divisibility by 4241

Easy!