Divisor 27891

To determine if any number is divisible by 27891, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 27 and 1033 - then it is divisible by 27891.

The following tests must pass:

• Test if a number is divisible by 27
• The "Jaap Test" for Divisibility by 1033

Easy!