Divisor 18838

To determine if any number is divisible by 18838, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 9419 - then it is divisible by 18838.

The following tests must pass:

• Test if a number is divisible by 2
• The "Christopher J Knorr Test" for Divisibility by 9419

Easy!