Answers

2014-07-29T20:25:03+08:00
I don't think you can write a number as a sum of two prime #
but generally speaking every numbers can be written as a product of two
or more prime #        this concept is very important
so
     48=   2⁴ . 3
   132 =  2² . 3 .11
     94  =  2 . 47
     76 =  2² . 19
2 5 2