Divisor 25249

To determine if any number is divisible by 25249, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 7 and 3607 - then it is divisible by 25249.

The following tests must pass:

• Test if a number is divisible by 7
• The "Bruce Marshall Test" for Divisibility by 3607

Easy!