Divisor 13373

To determine if any number is divisible by 13373, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 43 and 311 - then it is divisible by 13373.

The following tests must pass:

• Test if a number is divisible by 43
• Test if a number is divisible by 311

Easy!