Divisor 28131

To determine if any number is divisible by 28131, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 9377 - then it is divisible by 28131.

The following tests must pass:

• Test if a number is divisible by 3
• The "Clément Masson Test" for Divisibility by 9377

Easy!