the answer would be -5 and -6.
-5 + -6 = -11 and -5 * -6 = 30 because when multiplying, you cancel out the negative sign when you've got an even amount of negatives.
List the first few prime numbers.
2, 3, 5, 7, 11, 13, ...
We want the product of the three lowest prime numbers to form the least whole number.
2*3*5 = 30
This the least whole number.
Answer:
The number is 30.
It factors into 2, 3 and 5.
The answer to your question is the square root 2 over 2