Divisor 20379

To determine if any number is divisible by 20379, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 6793 - then it is divisible by 20379.

The following tests must pass:

• Test if a number is divisible by 3
• The "Bpendragon Test" for Divisibility by 6793

Easy!