Is 399 342 divisible by 8?

To determine if a number is divisible by 8, you need to look at the last three digits of the number. If the number formed by the last three digits is divisible by 8, then the whole number is divisible by 8.

The last three digits of 399 342 are 342.

Now, let's check if 342 is divisible by 8:

342 ÷ 8 = 42.75

Since the result is not a whole number, 342 is not divisible by 8.

Therefore, 399 342 is not divisible by 8.