There are 30 questions in this quiz database.  Every time you take the quiz, 15 questions will be randomly selected for that quiz. .  The order of the questions and answers is randomized each time you take the quiz. 

Prime numbers have exactly 2 factors.   They are divisible only by one and themselves. 

Composite numbers have MORE than 2 factors.  

Square numbers have 2 factors that are the same.  ex) 9 is a square number because 3 x 3 = 9.  If you draw a multiplication array to represent the two factors, the shape of the array will be a square. 

The password is your teacher's last name in lowecase letters.