Divisor 15707

To determine if any number is divisible by 15707, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 113 and 139 - then it is divisible by 15707.

The following tests must pass:

• Test if a number is divisible by 113
• Test if a number is divisible by 139

Easy!