add up all of the numbers together and if the sum is divisible by 3 then so is the original number.
example:
33
3+3=9
9/3=3
33/3=11
JANE BROWN
The smallest prime number that divides 147 evenly is three (3).
The smallest prime number that evenly divides into 33 is 3.
The number that can divide evenly into 6 and 9 would be 3.
3
1.