Answer:
A factor is when a number is divided into another number exactly and without leaving a reminder. Because of this definition we can conclude that a non example of a factor is a Primer number. Prime is, any positive integer greater than 1 that is divisible only by itself and 1.
Step-by-step explanation:
Examples would be 2, 3, 5, 7, 11, 13, 17, 19, 23... Prime numbers cannot be divided by another number to leave a whole number.