Prime numbers are the numbers that if were divided by any number other than inself and (1) the result will contain fractions .

Example:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199

3 / 1 = 3

3 / 3 = 1

3 / 2 = 1.5