Divisor 20612

To determine if any number is divisible by 20612, you must apply 2 tests successively. If all of them 'pass' - that is, if your number is divisible by 4 and 5153 - then it is divisible by 20612.

The following tests must pass:

• Test if a number is divisible by 4
• The "Ralf Test" for Divisibility by 5153

Easy!