Divisor 25417

To determine if any number is divisible by 25417, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 3631 - then it is divisible by 25417.

The following tests must pass:

• Test if a number is divisible by 7
• The "Colin B Test" for Divisibility by 3631

Easy!