Divisor 6390

Prime Number:
No

Test for Divisibility by 6390

To determine if any number is divisible by 6390, you must apply 4 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 9 and 5 and 71 - then it is divisible by 6390.

The following tests must pass:

Easy!