1 1/2 one and a half
3 is a prime number because it has exactly two factors which are whole numbers: itself and one. This is the definition of a prime.
The number is 0.3
A number has exactly three factors if and only if it is the square of a prime number.
(3+(3x3))/3=4
Exactly as in the question: three = 3
12
333 3 11 111
A prime number, like 2, 3 or 5.
The number 1.666666666 is almost exactly equal to one and two thirds (to be exactly equal, the decimal expansion continues to infinity) which as a fraction could be written as 5/3.
not exactly.
1