Divisor 25567

To determine if any number is divisible by 25567, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 37 and 691 - then it is divisible by 25567.

The following tests must pass:

• Test if a number is divisible by 37
• Test if a number is divisible by 691

Easy!