103 divided by 143 = 0.72027972027972027972027972027972
3.6332
103
1, 103
4.12
3.9615
103
6.4375
103
51.5
40 out of 103 is a fraction. Prime numbers are whole numbers. A fraction cannot be a prime number, so 40 out of 103 is not a prime number.
Half of 103 (103 divided by 2) is 51.5 or 51 1/2.