Divisor 15209

To determine if any number is divisible by 15209, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 67 and 227 - then it is divisible by 15209.

The following tests must pass:

• Test if a number is divisible by 67
• Test if a number is divisible by 227

Easy!