Divisor 25529

To determine if any number is divisible by 25529, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 49 and 521 - then it is divisible by 25529.

The following tests must pass:

• Test if a number is divisible by 49
• Test if a number is divisible by 521

Easy!