Divisor 20344

To determine if any number is divisible by 20344, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 8 and 2543 - then it is divisible by 20344.

The following tests must pass:

• Test if a number is divisible by 8
• The "Christopher Bradfield Test" for Divisibility by 2543

Easy!