Divisor 13773

To determine if any number is divisible by 13773, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 4591 - then it is divisible by 13773.

The following tests must pass:

• Test if a number is divisible by 3
• The "Dries Driessen Test" for Divisibility by 4591

Easy!