Divisor 19263

To determine if any number is divisible by 19263, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 6421 - then it is divisible by 19263.

The following tests must pass:

• Test if a number is divisible by 3
• The "Thomas Beauchamp Test" for Divisibility by 6421

Easy!