7 pages
                        
                                            
                                                
            
                
                    
                    Revise multiples, factors and prime numbers
                
             
            
                
                                        Revise multiples, factors and prime numbers
                
                Reminder: the factors of a number are those numbers that divide exactly into it, without leaving a remainder. A number which only has factors of 1 and itself is called a prime number.