Chapter 1 : Sean and Hong Yi

DEFINITIONS:

MULTIPLE: The result of multiplying a multiple by an integer(not a fraction)

               http://www.mathsisfun.com/definitions/multiple.html

                      

FACTOR:Factors are numbers you can multiply together to get another number
           http://www.mathsisfun.com/definitions/factor.html

             

INDEX NOTATION : The exponent (or index or power) of a number says
                              how many times to use the number in a multiplication

http://www.mathsisfun.com/index-notation-powers.html

                              

PRIME FACTORISATION : "Prime Factorization" is finding which prime numbers multiply together to make the original number.
                                 http://www.mathsisfun.com/prime-factorization.html