Divisor 7778

To determine if any number is divisible by 7778, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 3889 - then it is divisible by 7778.

The following tests must pass:

• Test if a number is divisible by 2
• The "Beej Test" for Divisibility by 3889

Easy!