Divisor 8434

To determine if any number is divisible by 8434, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 4217 - then it is divisible by 8434.

The following tests must pass:

• Test if a number is divisible by 2
• The "Ell Hofmann Test" for Divisibility by 4217

Easy!