Using prime numbers

This task is about factorising numbers.
a)  The bold numbers below are sums of 2 prime numbers.
     Write these prime numbers in the circles.
 
i)
 
ii) iii)
 

iv)


 

v)



vi)

 
 
b)  The bold numbers below are products of 2 prime numbers.
     Write these prime numbers in the circles.
 
i) ii) iii)