Divisor 25081

To determine if any number is divisible by 25081, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 3583 - then it is divisible by 25081.

The following tests must pass:

• Test if a number is divisible by 7
• The "Ryan Test" for Divisibility by 3583

Easy!