Divisor 11409

To determine if any number is divisible by 11409, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 3803 - then it is divisible by 11409.

The following tests must pass:

• Test if a number is divisible by 3
• The "Charlie Rundquist Test" for Divisibility by 3803

Easy!