Divisor 6557

To determine if any number is divisible by 6557, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 79 and 83 - then it is divisible by 6557.

The following tests must pass:

• Test if a number is divisible by 79
• Test if a number is divisible by 83

Easy!