Divisor 3978

Prime Number:
No

Test for Divisibility by 3978

To determine if any number is divisible by 3978, you must apply 4 tests successively. If all of them 'pass' - that is, if your number is divisible by 2 and 9 and 13 and 17 - then it is divisible by 3978.

The following tests must pass:

Easy!