Divisor 28939

To determine if any number is divisible by 28939, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 43 and 673 - then it is divisible by 28939.

The following tests must pass:

• Test if a number is divisible by 43
• Test if a number is divisible by 673

Easy!