Divisor 7531

To determine if any number is divisible by 7531, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 17 and 443 - then it is divisible by 7531.

The following tests must pass:

• Test if a number is divisible by 17
• Test if a number is divisible by 443

Easy!