Divisor 19898

To determine if any number is divisible by 19898, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 9949 - then it is divisible by 19898.

The following tests must pass:

• Test if a number is divisible by 2
• The "Jesse Thilo Test" for Divisibility by 9949

Easy!