To determine which number is a prime or composite number, your number must only have two factors, the number itself and one, if it more then two factors then it is a composite number.
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
A prime number is a number which has no factors except 1 and itself. For example: 107 is prime because its factors are 1 and 107. A composite number is a number which has more that 1 and itself for...