Divisor 21009
- Prime Number:
- No
Test for Divisibility by 21009
To determine if any number is divisible by 21009, you must apply 3 tests successively. If all of them 'pass' - that is, if your number is divisible by 3 and 47 and 149 - then it is divisible by 21009.
The following tests must pass:
- Test if a number is divisible by 3
- Test if a number is divisible by 47
- Test if a number is divisible by 149
Easy!