Divisor 17947

To determine if any number is divisible by 17947, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 131 and 137 - then it is divisible by 17947.

The following tests must pass:

• Test if a number is divisible by 131
• Test if a number is divisible by 137

Easy!