Divisor 25091

To determine if any number is divisible by 25091, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 11 and 2281 - then it is divisible by 25091.

The following tests must pass:

• Test if a number is divisible by 11
• The "Tom Février Test" for Divisibility by 2281

Easy!