Question

i have to make a ppt on evolution of number system - a journey from counting numbers to real numbers
so i need information to write on questions related to
natural nos, whole nos, fractions, integers even and odd nos, prime and composite nos, co prime nos, twin prime nos and rational nos 
in this i have to answer question (  compulsary  )
1 how these number evolved
2 history of great mathematcinans and their contribution in the evolution of these numbers
3 their use in the real world

Answer 1

Explained what we want to do in this answered