Divisor 6517

To determine if any number is divisible by 6517, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 343 and 19 - then it is divisible by 6517.

The following tests must pass:

• Test if a number is divisible by 343
• Test if a number is divisible by 19

Easy!