Any multiple of 3, for example 3636302412
None
no
No.
108.33
56 is not a prime number as it is divisible by 2. The only even prime number is 2. And its not divisible by 3, except with a remainder.
No. It is divisible by 1, 11, 23, 253.
yes, 81
Yes.
23 is a prime number so it is not divisible by 3. It is only divisible by 1 and 23. Dividing 23 by three gives the result of 7.6r
Yes, 12 times.
Yes, 51 times.
876 is divisible by 3. As an easy check for the divisibility by 3 for any number, simply add up the digits (8 + 7 + 6 for 876) and if the sum is a multiple of 3, then the number is divisible by 3.