Divisor 21058

To determine if any number is divisible by 21058, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 10529 - then it is divisible by 21058.

The following tests must pass:

• Test if a number is divisible by 2
• The "Frederik Mols Test" for Divisibility by 10529

Easy!