Divisor 17781

To determine if any number is divisible by 17781, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 5927 - then it is divisible by 17781.

The following tests must pass:

• Test if a number is divisible by 3
• The "Teplotaxl Test" for Divisibility by 5927

Easy!