Divisor 17213

To determine if any number is divisible by 17213, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 2459 - then it is divisible by 17213.

The following tests must pass:

• Test if a number is divisible by 7
• The "Ben Ratcliff Test" for Divisibility by 2459

Easy!